Refactor and enhance geometry node groups for depth plane and material layers

- Updated the depth plane node group to load from an asset and simplified the interface.
- Created a new build script for depth plane geometry nodes.
- Introduced material layer groups for image and depth materials with appropriate sockets.
- Added functionality to connect balloon normal scale to the image material.
- Enhanced tests to validate the new node groups and their connections.
- Ensured that production code does not create node groups directly.

mkdocs.yml

@@ -50,28 +50,35 @@ nav:
 
 theme:
   name: material
+  favicon: assets/logo.png
+  logo: assets/logo.png
   language: zh
   font:
     text: Open Sans
     code: Cascadia Code
   palette:
+    # Palette toggle for automatic mode
     - media: "(prefers-color-scheme)"
       primary: black
       toggle:
         icon: fontawesome/solid/circle-half-stroke
-        name: 切换到浅色模式
+        name: Switch to light mode
+
+    # Palette toggle for light mode
     - media: "(prefers-color-scheme: light)"
       scheme: default
       primary: black
       toggle:
         icon: fontawesome/regular/moon
-        name: 切换到深色模式
+        name: Switch to dark mode
+
+    # Palette toggle for dark mode
     - media: "(prefers-color-scheme: dark)"
       scheme: slate
       primary: black
       toggle:
         icon: fontawesome/solid/moon
-        name: 跟随系统外观
+        name: Switch to system preference
   features:
     - header.autohide
     - navigation.footer
@@ -79,10 +86,8 @@ theme:
     - navigation.sections
     - navigation.tabs
     - navigation.tabs.sticky
-    - navigation.top
-    - search.highlight
-    - search.suggest
     - content.code.copy
+    - content.code.select
 
 extra:
   version:
@@ -99,12 +104,16 @@ plugins:
 markdown_extensions:
   - attr_list
   - md_in_html
+  - mkdocs-click
   - admonition
+  - pymdownx.highlight:
+      anchor_linenums: true
+      line_spans: __span
+      pygments_lang_class: true
+  - pymdownx.inlinehilite
+  - pymdownx.snippets
   - pymdownx.details
-  - pymdownx.superfences:
-      custom_fences:
-        - name: mermaid
-          class: mermaid
-          format: !!python/name:pymdownx.superfences.fence_code_format
+  - pymdownx.superfences
   - pymdownx.tabbed:
       alternate_style: true
+