Initial commit: Windmill setup with Docker Compose

- Add docker-compose.yml for Windmill services
- Add Caddyfile for reverse proxy configuration
- Add .env for environment variables
- Add .gitignore for project

Caddyfile

@@ -0,0 +1,35 @@
+{
+	layer4 {
+		:25 {
+			proxy {
+				to windmill_server:2525
+			}
+		}
+	}
+}
+
+{$BASE_URL} {
+        bind {$ADDRESS}
+
+        # LSP - Language Server Protocol for code intelligence (windmill_extra:3001)
+        reverse_proxy /ws/* http://windmill_extra:3001
+
+        # Multiplayer - Real-time collaboration, Enterprise Edition (windmill_extra:3002)
+        # Uncomment and set ENABLE_MULTIPLAYER=true in docker-compose.yml
+        # reverse_proxy /ws_mp/* http://windmill_extra:3002
+
+        # Debugger - Interactive debugging via DAP WebSocket (windmill_extra:3003)
+        # Set ENABLE_DEBUGGER=true in docker-compose.yml to enable
+        handle_path /ws_debug/* {
+                reverse_proxy http://windmill_extra:3003
+        }
+
+        # Search indexer, Enterprise Edition (windmill_indexer:8002)
+        # reverse_proxy /api/srch/* http://windmill_indexer:8002
+
+        # Default: Windmill server
+        reverse_proxy /* http://windmill_server:8000
+
+        # TLS with custom certificates
+        # tls /certs/cert.pem /certs/key.pem
+}