Update README and API for Docker integration and app management

- Revised README.md to clarify the use of Docker alongside Podman for containerization.
- Updated API documentation to reflect new RPC endpoints, including `auth.logout`.
- Enhanced WebSocket handling in the API for better connection management.
- Modified Neode UI to utilize a curated list of Docker-based applications, replacing previous Start9 registry calls.
- Improved error handling and logging in the marketplace for better user experience.

.cursor/rules/Architecture.mdc

@@ -51,7 +51,7 @@ Archipelago is a next-generation Bitcoin Node OS built on Alpine Linux with Podm
 
 ### 1. Alpine Linux Base
 
-- **Size**: ~130MB (vs 1.5GB+ for Umbrel/StartOS)
+- **Size**: ~130MB (vs 1.5GB+ for Umbrel)
 - **Security**: Hardened kernel, minimal attack surface
 - **Multi-arch**: ARM64 (Raspberry Pi) and x86_64 support
 
@@ -65,8 +65,8 @@ Located in `core/container/`:
 
 ### 3. Backend API Extensions
 
-New RPC endpoints in `core/startos/src/container/`:
-- `container-install`: Install app from manifest
+New RPC endpoints in `core/archipelago/src/container/`:
+- `container-install`: Install app from Docker image
 - `container-start/stop/remove`: Container lifecycle
 - `container-status/logs`: Status and debugging
 - `container-list`: List all containers