Setup dev container and MCP infrastructure

Add dev container configuration with docker-compose, Dockerfile, and entrypoint script

- Create .devcontainer/devcontainer.json for VS Code dev container
- Create .devcontainer/docker-compose.yml for container setup
- Add Dockerfile with Python, Go, Rust, R, and jj tools
- Add docker-entrypoint.sh to initialize .ai_index and start mcp-server
- Add Makefile for container management and MCP operations
- Add .gitignore entries for AI index
- Add OpenCode global instructions
- Add basic MCP server and tool for listing Go imports
- Add Zed integration configuration
- Update README with project vision and structure

.devcontainer/docker-compose.yml

@@ -0,0 +1,15 @@
+version: "3.8"
+
+services:
+  pmocrazy-coder:
+    build:
+      context: ..
+      dockerfile: Dockerfile
+    volumes:
+      - ..:/workspace
+    working_dir: /workspace
+    ports:
+      - "1248:1248"
+    user: devuser
+    entrypoint: ["/usr/local/bin/entrypoint.sh"]
+    command: ["bash", "-c", "tail -f /dev/null"]