Update README file

README.md

@@ -1,12 +1,88 @@
 
 # Table of Contents
 
-1.  [Share Freedom - browser extension](#orgf828cd1)
+1.  [/img/logo.png Share Freedom - browser extension](#org9836160)
-
+    1.  [Features](#org5374026)
-![img](/img/logo.png)
+    2.  [Screenshots](#orgd90208f)
+    3.  [Build](#org005bc4f)
+    4.  [Contributing](#org3c92334)
+        1.  [Bug reports](#org73187d2)
+        2.  [Pull request](#orgcc46432)
+    5.  [Invite an ice cream](#orga3b440b)
+    6.  [License](#orgdc5ec85)
 
 
-<a id="orgf828cd1"></a>
+<a id="org9836160"></a>
 
-# Share Freedom - browser extension
+# ![img](/img/logo.png) Share Freedom - browser extension
+
+Share the current tab on the [fediverse](https://fediverse.party/).
+
+[\![Firefox Add-on](*img/badge-amo.png)](<https://addons.mozilla.org/en-US/firefox/addon/share-freedom>*) 
+
+
+<a id="org5374026"></a>
+
+## Features
+
+
+<a id="orgd90208f"></a>
+
+## Screenshots
+
+<file:///img/screenshot_1.png_>
+<file:///img/screenshot_2.png_>
+
+
+<a id="org005bc4f"></a>
+
+## Build
+
+You need Node.js/npm to use the command line tool web-ext
+`npm install --global web-ext`
+then, use the next command to generate the package (.zip file)
+`web-ext build`
+See [web-ext page](https://extensionworkshop.com/documentation/develop/getting-started-with-web-ext/).
+
+**Optional:** Add-ons Linter by Mozilla
+`npm install -g addons-linter`
+See [repo](https://github.com/mozilla/addons-linter).
+
+
+<a id="org3c92334"></a>
+
+## Contributing
+
+You can contribute in the following ways:
+
+-   Finding and reporting bugs
+-   Contributing code to the project by fixing bugs or implementing features
+
+
+<a id="org73187d2"></a>
+
+### Bug reports
+
+Bug reports and feature suggestions can be submitted to [Gitlab Issues](https://gitlab.com/mickie1/share-freedom-extension/issues). Please make sure that you are not submitting duplicates, and that a similar report or request has not already been resolved or rejected in the past using the search function. Please also use descriptive, concise titles.
+
+
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+
+### Pull request
+
+Please use clean, concise titles for your pull requests.
+
+
+<a id="orga3b440b"></a>
+
+## Invite an ice cream
+
+
+<a id="orgdc5ec85"></a>
+
+## License
+
+This program is licensed under GPL v3
+Copyleft (ɔ) 2021 - Miguel (mickie)
+See LICENSE file for more information.