GH-4: Add the common README sections

Author: ArtyomVancyan

README.md

@@ -1,13 +1,25 @@
-# fastapi-oauth2
+# fastapi-oauth2 <img src="https://github.com/pysnippet.png" align="right" height="64" />
 
-Easy to setup OAuth2 social authentication mechanism with support for several auth providers.
+Easy to setup OAuth2 authentication with support for several auth providers.
 
-## Features
+## Installation
+
+```shell
+python -m pip install fastapi-oauth2
+```
+
+## Features to be implemented
 
-- Integrate with any existing FastAPI project (no dependencies of the project should stop the work of
-  the `fastapi-oauth2`)
-    * Implementation must allow to provide a context for configurations (also, see how it is done in another projects)
 - Use multiple OAuth2 providers at the same time
     * There need to be provided a way to configure the OAuth2 for multiple providers
 - Token -> user data, user data -> token easy conversion
 - Customize OAuth2 routes
+
+## Contribute
+
+Any contribution is welcome. If you have any ideas or suggestions, feel free to open an issue or a pull request. And
+don't forget to add tests for your changes.
+
+## License
+
+Copyright (C) 2023 Artyom Vancyan. [MIT](https://github.com/pysnippet/fastapi-oauth2/blob/master/LICENSE)