chore: import upstream snapshot with attribution

.devcontainer/devcontainer.json

@@ -0,0 +1,47 @@
+{
+  "name": "ROS2 Humble Dev",
+  "build": { "dockerfile": "Dockerfile" },
+  "workspaceFolder": "/home/vscode/workspace",
+  "mounts": [
+    "source=${localWorkspaceFolder},target=/home/vscode/workspace,type=bind"
+  ],
+  "runArgs": [
+      "-v", "${env:SSH_AUTH_SOCK}:/ssh-agent",
+      "-e", "SSH_AUTH_SOCK=/ssh-agent",
+      "-e", "DISPLAY=${localEnv:DISPLAY}",
+      "-e", "LIBGL_ALWAYS_SOFTWARE=1",
+      "-e", "QT_XCB_GL_INTEGRATION=none",
+      "-v", "/tmp/.X11-unix:/tmp/.X11-unix:rw"
+  ],
+  "containerEnv": {
+    "QT_X11_NO_MITSHM": "1",
+    "QT_QPA_PLATFORM": "xcb",
+    "DISPLAY": "${localEnv:DISPLAY}",
+    "SSH_AUTH_SOCK": "/ssh-agent",
+    "LIBGL_ALWAYS_SOFTWARE": "1",
+    "QT_XCB_GL_INTEGRATION": "none",
+    "TERM": "xterm-256color"
+  },
+  "remoteUser": "vscode",
+  "postStartCommand": "xhost +local:vscode || true",
+  "forwardPorts": [5000, 9000, 9090],
+  "portsAttributes": {
+    "9000": { "label": "MCP Server", "onAutoForward": "ignore" },
+    "9090": { "label": "ROSBridge", "onAutoForward": "ignore" }
+  },
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "ms-python.python",
+        "ms-azuretools.vscode-docker",
+        "twxs.cmake",
+        "ms-vscode.cpptools",
+        "ms-python.vscode-pylance",
+        "astral-sh.ruff"
+      ],
+      "settings": {
+        "terminal.integrated.defaultProfile.linux": "bash"
+      }
+    }
+  }
+}