Update devcontainer and Docker setup with new LLM API configuration

Update devcontainer.json to set terminal shell and add empty features object
Update docker-compose.yml to change port mapping and add environment variable for LOCAL_LLM_API
Add new OpenCode configuration files for LLM settings and instructions
Update Dockerfile to install additional tools and dependencies including Go, Rust, Node.js, and Python packages
Modify docker-entrypoint.sh to handle MCP server initialization and shell configuration
Update LM client readme to reflect new API endpoint configuration

.devcontainer/devcontainer.json

@@ -3,5 +3,9 @@
   "dockerComposeFile": "docker-compose.yml",
   "service": "pmocrazy-coder",
   "workspaceFolder": "/workspace",
-  "remoteUser": "devuser"
+  "remoteUser": "devuser",
+  "settings": {
+    "terminal.integrated.shell.linux": "/bin/bash",
+  },
+  "features": {},
 }