Remove Docker, update README with setup and auto-start instructions

- Remove Dockerfile and docker-compose.yaml (not suitable for this project)
- Update README.md with comprehensive setup documentation
- Add systemd, tmux, and rc.local auto-start options
- Add troubleshooting section

uv.lock

@@ -1265,9 +1265,11 @@ dependencies = [
     { name = "llama-index" },
     { name = "llama-index-vector-stores-chroma" },
     { name = "mcp" },
+    { name = "numpy" },
     { name = "pydantic" },
     { name = "python-dotenv" },
     { name = "sentence-transformers" },
+    { name = "torch" },
     { name = "watchdog" },
 ]
 
@@ -1285,12 +1287,14 @@ requires-dist = [
     { name = "llama-index", specifier = ">=0.10.0" },
     { name = "llama-index-vector-stores-chroma", specifier = ">=0.1.0" },
     { name = "mcp", specifier = ">=1.0.0" },
+    { name = "numpy", specifier = ">=1.24.0" },
     { name = "pydantic", specifier = ">=2.0.0" },
     { name = "pytest", marker = "extra == 'dev'", specifier = ">=7.0.0" },
     { name = "pytest-asyncio", marker = "extra == 'dev'", specifier = ">=0.21.0" },
     { name = "python-dotenv", specifier = ">=1.0.0" },
     { name = "ruff", marker = "extra == 'dev'", specifier = ">=0.1.0" },
     { name = "sentence-transformers", specifier = ">=2.2.0" },
+    { name = "torch", specifier = ">=2.0.0" },
     { name = "watchdog", specifier = ">=3.0.0" },
 ]
 provides-extras = ["dev"]