docs: bring docforge docstrings and wiki to GSDFC standard

- fix GSDFC spec contradictions in __init__ docstring (parenthesized types, fenced-block rule) and sync generated README
- rewrite docstrings across loaders, models, nav, servers, renderers, cli; sync .pyi stubs
- add pydoclint (google style) gate to dev extras and pyproject config
- fix mcp nav resources doc:// -> docs://
- refresh docs/lib and docs/mcp, drop stale docforge/ duplicate group
- update wiki pages and add GSDFC + MCP guides under 05_development

docforge/cli/mcp_utils.py

@@ -2,6 +2,16 @@
 # Summary
 
 Utilities for working with MCP in the doc-forge CLI.
+
+---
+
+Notes:
+    - `generate_resources` produces the bundle consumed by `MCPServer`:
+      `index.json`, `nav.json`, and per-module resources under `modules/`.
+    - Resource URIs use the `docs://` scheme: `docs://index`, `docs://nav`,
+      and `docs://modules/{module}`.
+
+---
 """
 
 from pathlib import Path
@@ -26,7 +36,7 @@ def generate_resources(module: str, project_name: str | None, out_dir: Path) ->
             Python module import path used as the entry point for
             documentation generation.
 
-        project_name (Optional[str]):
+        project_name (str | None):
             Optional override for the project name used in generated
             documentation metadata.