Migrate contributing contents to a separate documentation site.

Author: Ivorforce

.pre-commit-config.yaml

@@ -6,7 +6,7 @@ repos:
     rev: v2.3.0
     hooks:
       - id: codespell
-        files: ^(about|community|contributing|getting_started|tutorials)/.*\.rst$
+        files: ^(about|community|engine_details|getting_started|tutorials)/.*\.rst$
         additional_dependencies: [tomli]
 
   - repo: https://github.com/pre-commit/pre-commit-hooks

_templates/breadcrumbs.html

@@ -32,7 +32,7 @@
 			}
 		}
 	</style>
-	<a class="godot-edit-guidelines" href="https://docs.godotengine.org/en/latest/contributing/documentation/index.html#writing-documentation">
+	<a class="godot-edit-guidelines" href="https://godot-contributing-docs.readthedocs.io/">
 		Learn how to contribute!
 	</a>
 </li>