Update README.md (#3118)

Co-authored-by: REJack <info@rejack.de>

README.md

@@ -5,7 +5,7 @@
 [![CDNJS](https://img.shields.io/cdnjs/v/admin-lte.svg)](https://cdnjs.com/libraries/admin-lte)
 [![Gitpod Ready-to-Code](https://img.shields.io/badge/Gitpod-Ready--to--Code-blue?logo=gitpod)](https://gitpod.io/from-referrer/)
 
-**AdminLTE** is a fully responsive administration template. Based on **[Bootstrap 4.4](https://getbootstrap.com/)** framework and also the JS/jQuery plugin.
+**AdminLTE** is a fully responsive administration template. Based on **[Bootstrap 4.5](https://getbootstrap.com/)** framework and also the JS/jQuery plugin.
 Highly customizable and easy to use. Fits many screen resolutions from small mobile devices to large desktops.
 
 **Preview on [AdminLTE.io](https://adminlte.io/themes/v3)**
@@ -24,9 +24,11 @@ SCSS has been used to increase code customizability.
 
 There are multiple ways to install AdminLTE.
 
-### Download:
+### Download & Changelog:
 
-Download from [GitHub releases](https://github.com/ColorlibHQ/AdminLTE/releases).
+Download from GitHub latest release [AdminLTE 3](https://github.com/ColorlibHQ/AdminLTE/latest).
+Visit the [releases](https://github.com/ColorlibHQ/AdminLTE/releases) page to view the changelog.
+Legacy Releases are [AdminLTE 2](https://github.com/ColorlibHQ/AdminLTE/releases/tag/v2.4.18) / [AdminLTE 1](https://github.com/ColorlibHQ/AdminLTE/releases/tag/1.3.1).
 
 ### Using The Command Line:
 
@@ -63,37 +65,38 @@ _**Important Note**: To install it via npm/Yarn, you need at least Node.js 10 or
 Visit the [online documentation](https://adminlte.io/docs/3.0/) for the most
 updated guide. Information will be added on a weekly basis.
 
-## Browser Support
+## Browsers support
 
-- IE 10+
-- Firefox (latest)
-- Chrome (latest)
-- Safari (latest)
-- Opera (latest)
-- Microsoft Edge (latest)
+| [<img src="https://raw.githubusercontent.com/alrra/browser-logos/master/src/edge/edge_48x48.png" alt="IE / Edge" width="24px" height="24px" />](http://godban.github.io/browsers-support-badges/)<br/>IE / Edge | [<img src="https://raw.githubusercontent.com/alrra/browser-logos/master/src/firefox/firefox_48x48.png" alt="Firefox" width="24px" height="24px" />](http://godban.github.io/browsers-support-badges/)<br/>Firefox | [<img src="https://raw.githubusercontent.com/alrra/browser-logos/master/src/chrome/chrome_48x48.png" alt="Chrome" width="24px" height="24px" />](http://godban.github.io/browsers-support-badges/)<br/>Chrome | [<img src="https://raw.githubusercontent.com/alrra/browser-logos/master/src/safari/safari_48x48.png" alt="Safari" width="24px" height="24px" />](http://godban.github.io/browsers-support-badges/)<br/>Safari | [<img src="https://raw.githubusercontent.com/alrra/browser-logos/master/src/safari-ios/safari-ios_48x48.png" alt="iOS Safari" width="24px" height="24px" />](http://godban.github.io/browsers-support-badges/)<br/>iOS Safari | [<img src="https://raw.githubusercontent.com/alrra/browser-logos/master/src/samsung-internet/samsung-internet_48x48.png" alt="Samsung" width="24px" height="24px" />](http://godban.github.io/browsers-support-badges/)<br/>Samsung | [<img src="https://raw.githubusercontent.com/alrra/browser-logos/master/src/opera/opera_48x48.png" alt="Opera" width="24px" height="24px" />](http://godban.github.io/browsers-support-badges/)<br/>Opera | [<img src="https://raw.githubusercontent.com/alrra/browser-logos/master/src/vivaldi/vivaldi_48x48.png" alt="Vivaldi" width="24px" height="24px" />](http://godban.github.io/browsers-support-badges/)<br/>Vivaldi | [<img src="https://raw.githubusercontent.com/alrra/browser-logos/master/src/electron/electron_48x48.png" alt="Electron" width="24px" height="24px" />](http://godban.github.io/browsers-support-badges/)<br/>Electron |
+| --------- | --------- | --------- | --------- | --------- | --------- | --------- | --------- | --------- |
+| IE10, IE11, Edge| last 2 versions| last 2 versions| last 2 versions| last 2 versions| last 2 versions| last 2 versions| last 2 versions| last 2 versions
 
-## Contributions
+## How to Contribute
 
-Contributions are always **welcome and recommended**! Here is how:
+Contributions are always **welcome and recommended**! Here is how for beginner's: [Get started with open source click here](https://youtu.be/GbqSvJs-6W4)
 
-- Fork the repository ([here is the guide](https://help.github.com/articles/fork-a-repo/)).
-- Clone to your machine
+1. Contribution Requirements : 
+    * When you contribute, you agree to give a non-exclusive license to AdminLTE.io to use that contribution in any context as we (AdminLTE.io) see appropriate. 
+    * If you use content provided by another party, it must be appropriately licensed using an [open source](https://opensource.org/licenses) license.
+    * Contributions are only accepted through GitHub pull requests.
+    * Finally, contributed code must work in all supported browsers (see above for browser support).
+2. Installation :
+    * Fork the repository ([here is the guide](https://help.github.com/articles/fork-a-repo/)).
+    * Clone to your machine
 
     ```bash
     git clone https://github.com/YOUR_USERNAME/AdminLTE.git
     ```
-
-- Create a new branch
-- Make your changes
-- Create a pull request
-
-### Compile dist files
-
-To compile the dist files you need Node.js/npm, clone/download the repo then:
-
-1. `npm install` (install npm deps)
-2. _Optional:_ `npm run dev` (developer mode, autocompile with browsersync support for live demo)
-3. `npm run production` (compile css/js files)
+    * Create a new branch
+3. Compile dist files (Development) :
+    * To compile the dist files you need Node.js 10 or higher/npm (node package manager)
+    * Delete ./package-lock.json file
+    * `npm install` (install npm deps)
+    * `npm run dev` (developer mode, autocompile with browsersync support for live demo)
+    * Make your changes only in ./buid Folder OR package.json OR ./dist/js/demo.js OR in any html files which nessary to contribute
+    * Do not changes in ./dist/css/ AND ./dist/js/ Because its compiled files
+    * `npm run production` (compile css/js files and test every pages are perfectly working fine, before creating pull request)
+4. Create a pull request
 
 ### Online one-click setup for contributing
 
@@ -105,31 +108,19 @@ You can use Gitpod(an online IDE which is free for Open Source) for working on i
 
 [![Open in Gitpod](https://gitpod.io/button/open-in-gitpod.svg)](https://gitpod.io/from-referrer/)
 
-### Contribution Requirements:
+### Compile dist files
 
-- When you contribute, you agree to give a non-exclusive license to AdminLTE.io to use that contribution in any context as we (AdminLTE.io) see appropriate.
-- If you use content provided by another party, it must be appropriately licensed using an [open source](https://opensource.org/licenses) license.
-- Contributions are only accepted through GitHub pull requests.
-- Finally, contributed code must work in all supported browsers (see above for browser support).
+To compile the dist files you need Node.js/npm, clone/download the repo then:
+
+1. `npm install` (install npm deps)
+2. _Optional:_ `npm run dev` (developer mode, autocompile with browsersync support for live demo)
+3. `npm run production` (compile css/js files)
 
 ## License
 
 AdminLTE is an open source project by [AdminLTE.io](https://adminlte.io) that is licensed under [MIT](https://opensource.org/licenses/MIT).
 AdminLTE.io reserves the right to change the license of future releases.
 
-## Latest Release
-
-- [AdminLTE 3](https://github.com/ColorlibHQ/AdminLTE/releases/latest)
-
-## Legacy Releases
-
-- [AdminLTE 2](https://github.com/ColorlibHQ/AdminLTE/releases/tag/v2.4.18)
-- [AdminLTE 1](https://github.com/ColorlibHQ/AdminLTE/releases/tag/1.3.1)
-
-## Changelog
-
-Visit the [releases](https://github.com/ColorlibHQ/AdminLTE/releases) page to view the changelog
-
 ## Image Credits
 
 - [Pixeden](http://www.pixeden.com/psd-web-elements/flat-responsive-showcase-psd)