feat: add LLMX configuration with Crawl4AI RAG MCP server

- Add config.toml with MCP servers configuration
- Add compose.yaml for PostgreSQL+pgvector, PostgREST, and Crawl4AI RAG
- Include forked mcp-crawl4ai-rag with BGE 1024-dim embedding support
- Custom schema (crawled_pages_1024.sql) for BGE embeddings

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

servers/mcp-crawl4ai-rag/pyproject.toml

@@ -0,0 +1,15 @@
+[project]
+name = "crawl4ai-mcp"
+version = "0.1.0"
+description = "MCP server for integrating web crawling and RAG into AI agents and AI coding assistants"
+readme = "README.md"
+requires-python = ">=3.12"
+dependencies = [
+    "crawl4ai==0.6.2",
+    "mcp==1.7.1",
+    "supabase==2.15.1",
+    "openai==1.71.0",
+    "dotenv==0.9.9",
+    "sentence-transformers>=4.1.0",
+    "neo4j>=5.28.1",
+]