Reuse CONTRIBUTING.md" in the documentation

* Include "CONTRIBUTING.md" from the repository root
* Update FAQ and index page and link to the contributing docs

docs/about/contributing.md

@@ -0,0 +1,3 @@
+{%
+    include-markdown "../../CONTRIBUTING.md"
+%}

docs/about/faq.md

@@ -14,9 +14,7 @@ open-source organisation.
 Headscale is "Open Source, acknowledged contribution", this means that any
 contribution will have to be discussed with the Maintainers before being submitted.
 
-Headscale is open to code contributions for bug fixes without discussion.
+Please see [Contributing](contributing.md) for more information.
-
-If you find mistakes in the documentation, please also submit a fix to the documentation.
 
 ## Why is 'acknowledged contribution' the chosen model?
 

docs/index.md

@@ -31,7 +31,7 @@ buttons available in the repo.
 Headscale is "Open Source, acknowledged contribution", this means that any
 contribution will have to be discussed with the Maintainers before being submitted.
 
-Please see [CONTRIBUTING.md](https://github.com/juanfont/headscale/blob/main/CONTRIBUTING.md) for more information.
+Please see [Contributing](about/contributing.md) for more information.
 
 ## About
 

docs/requirements.txt

@@ -1,4 +1,5 @@
 cairosvg~=2.7.1
+mkdocs-include-markdown-plugin~=6.2.2
 mkdocs-material~=9.5.18
 mkdocs-minify-plugin~=0.7.1
 mkdocs-redirects~=1.2.1

mkdocs.yml

@@ -66,6 +66,7 @@ exclude_docs: |
 plugins:
   - search:
       separator: '[\s\-,:!=\[\]()"`/]+|\.(?!\d)|&[lg]t;|(?!\b)(?=[A-Z][a-z])'
+  - include-markdown:
   - minify:
       minify_html: true
   - social: {}