Documentation: Move sections to Wiki

.github/CONTRIBUTING.md

@@ -13,17 +13,6 @@ Contributions are [released](https://help.github.com/articles/github-terms-of-se
 
 ## Resources
 
+- [Gluetun guide on development](https://github.com/qdm12/gluetun/wiki/Development)
 - [Using Pull Requests](https://help.github.com/articles/about-pull-requests/)
 - [How to Contribute to Open Source](https://opensource.guide/how-to-contribute/)
-
-## Contributors
-
-Thanks for all the contributions, whether small or not so small!
-
-- [@JeordyR](https://github.com/JeordyR) for testing the Mullvad version and opening a [PR with a few fixes](https://github.com/qdm12/gluetun/pull/84/files) 👍
-- [@rorph](https://github.com/rorph) for a [PR to pick a random region for PIA](https://github.com/qdm12/gluetun/pull/70) and a [PR to make the container work with kubernetes](https://github.com/qdm12/gluetun/pull/69)
-- [@JesterEE](https://github.com/JesterEE) for a [PR to fix silly line endings in block lists back then](https://github.com/qdm12/gluetun/pull/55) 📎
-- [@elmerfdz](https://github.com/elmerfdz) for a [PR to add timezone information to have correct log timestampts](https://github.com/qdm12/gluetun/pull/51) 🕙
-- [@Juggels](https://github.com/Juggels) for a [PR to write the PIA forwarded port to a file](https://github.com/qdm12/gluetun/pull/43)
-- [@gdlx](https://github.com/gdlx) for a [PR to fix and improve PIA port forwarding script](https://github.com/qdm12/gluetun/pull/32)
-- [@janaz](https://github.com/janaz) for keeping an eye on [updating things in the Dockerfile](https://github.com/qdm12/gluetun/pull/8)

README.md

@@ -89,26 +89,10 @@ The following points are all optional but should give you insights on all the po
 - [HTTP control server](https://github.com/qdm12/gluetun/wiki/HTTP-Control-server) to automate things, restart Openvpn etc.
 - Update the image with `docker pull qmcgaw/gluetun:latest`. See this [Wiki document](https://github.com/qdm12/gluetun/wiki/Docker-image-tags) for Docker tags available.
 
-## Development
-
-- 💻 [Contribute with code](https://github.com/qdm12/gluetun/wiki/Development) ([existing contributors 👍](https://github.com/qdm12/gluetun/blob/master/.github/CONTRIBUTING.md#Contributors))
-- [List of issues and feature requests](https://github.com/qdm12/gluetun/issues)
-- [Kanban board](https://github.com/qdm12/gluetun/projects/1)
-
 ## License
 
 [![MIT](https://img.shields.io/github/license/qdm12/gluetun)](https://github.com/qdm12/gluetun/master/LICENSE)
 
-## Support
-
-- Sponsor me on [Github](https://github.com/sponsors/qdm12) or donate to [paypal.me/qmcgaw](https://www.paypal.me/qmcgaw)
-
-  [![https://github.com/sponsors/qdm12](https://raw.githubusercontent.com/qdm12/gluetun/master/doc/sponsors.jpg)](https://github.com/sponsors/qdm12)
-  [![https://www.paypal.me/qmcgaw](https://raw.githubusercontent.com/qdm12/gluetun/master/doc/paypal.jpg)](https://www.paypal.me/qmcgaw)
-
-- Contribute to the issues and discussions on Github
-- Many thanks to @Frepke, @Ralph521, G. Mendez, M. Otmar Weber, J. Perez, A. Cooper and **others** for supporting me financially 🥇👍
-
 ## Metadata
 
 [![GitHub commit activity](https://img.shields.io/github/commit-activity/y/qdm12/gluetun.svg)](https://github.com/qdm12/gluetun/commits)