feat: add --api OpenAPI build mode with docs/api scheme and lib-prefixed nav

docforge/templates/mkdocs.common.yml

@@ -0,0 +1,60 @@
+theme:
+  name: material
+  palette:
+    - scheme: slate
+      primary: deep purple
+      accent: cyan
+
+  font:
+    text: Inter
+    code: JetBrains Mono
+
+  features:
+    # Navigation
+    - navigation.sections
+    - navigation.expand
+    - navigation.top
+    - navigation.instant
+    - navigation.tracking
+    - navigation.indexes
+
+    # Content
+    - content.code.copy
+    - content.code.annotate
+    - content.tabs.link
+    - content.action.edit
+
+    # Search UX
+    - search.highlight
+    - search.share
+    - search.suggest
+
+markdown_extensions:
+  - pymdownx.superfences
+  - pymdownx.inlinehilite
+  - pymdownx.snippets
+
+  - admonition
+  - pymdownx.details
+
+  - pymdownx.highlight:
+      linenums: true
+      anchor_linenums: true
+      line_spans: __span
+      pygments_lang_class: true
+
+  - pymdownx.tabbed:
+      alternate_style: true
+
+  - pymdownx.tasklist:
+      custom_checkbox: true
+
+  - tables
+  - footnotes
+
+  - pymdownx.caret
+  - pymdownx.tilde
+  - pymdownx.mark
+
+extra_css:
+  - https://unpkg.com/dracula-prism/dist/css/dracula-prism.css