Add a skeleton for a potential structure.

index.rst

@@ -1,2 +1,52 @@
-WIP
-===
+Contributing to Godot Engine
+============================
+
+TODO
+
+.. Below is the main table-of-content tree of the documentation website.
+   It is hidden on the page itself, but it makes up the sidebar for navigation.
+
+.. toctree::
+   :hidden:
+   :maxdepth: 1
+   :caption: Contributing Source Code
+   :name: sec-contributing-source-code
+
+   contributing_source_code/first_steps
+   contributing_source_code/creating_pull_requests
+   contributing_source_code/reviewing_pull_requests
+   contributing_source_code/code_style
+   contributing_source_code/documentation
+   contributing_source_code/unit_tests
+
+.. toctree::
+   :hidden:
+   :maxdepth: 1
+   :caption: Contributing Translations
+   :name: sec-translations
+
+   translation/first_steps
+
+.. toctree::
+   :hidden:
+   :maxdepth: 1
+   :caption: Issue Triage
+   :name: sec-triage
+
+   triage/about
+
+.. toctree::
+   :hidden:
+   :maxdepth: 1
+   :caption: Godot Implementation Proposals
+   :name: sec-proposals
+
+   proposals/about
+
+.. toctree::
+   :hidden:
+   :maxdepth: 1
+   :caption: Maintainers Documentation
+   :name: sec-maintainers
+
+   maintainers/about