update providers configuratin + add lumenfall to the extensions

Author: mythz

content/docs/extensions/index.mdx

@@ -12,7 +12,7 @@ Extensions can be installed from GitHub or by creating a local folder:
 - **Local**: Simply create a folder in `~/.llms/extensions/my_extension`
 - **GitHub**: Clone extensions into `~/.llms/extensions`, e.g:
 
-```
+```bash
 git clone https://github.com/user/repo ~/.llms/extensions/my_extension
 ```
 
@@ -27,8 +27,9 @@ Output:
 
 ```
 Available extensions:
+  lumenfall    Access 50+ image models from various providers through an OpenAI-compatible API
+  gemini       Google Gemini RAG file search with document management, auto-upload & sync capabilities
   fast_mcp     Add MCP Support using FastMCP
-  gemini       Google Gemini RAG file search with document management, auto-upload & sync
   xmas         Example of utilizing the Extensions APIs to give llms.py some Christmas spirit
   duckduckgo   Add web search tool capabilities using Duck Duck Go
 

content/docs/features/meta.json

@@ -10,6 +10,7 @@
     "run-code-ui",
     "katex",
     "model-selector",
-    "system-prompts"
+    "system-prompts",
+    "providers"
   ]
 }