Update devcontainer image

.devcontainer.json

@@ -1,24 +1,15 @@
 // For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
-// https://github.com/microsoft/vscode-dev-containers/tree/main/containers/codespaces-linux
+// https://github.com/microsoft/vscode-dev-containers/tree/main/containers/javascript-node
 {
-  "name": "Codespaces",
-  "image": "mcr.microsoft.com/vscode/devcontainers/universal:1-focal",
-  "remoteUser": "codespace",
-  "overrideCommand": false,
-  "runArgs": [
-    "--cap-add=SYS_PTRACE",
-    "--security-opt",
-    "seccomp=unconfined",
-    "--privileged",
-    "--init"
-  ],
+  "name": "coajs",
+  "image": "mcr.microsoft.com/vscode/devcontainers/javascript-node",
+  "mounts": ["source=container-share-cache,target=/usr/local/share/.cache"],
   "extensions": [
     "mutantdino.resourcemonitor",
-    "ms-azuretools.vscode-docker",
     "github.vscode-pull-request-github",
     "eamodio.gitlens",
     "esbenp.prettier-vscode",
-    "dbaeumer.vscode-eslint"
-  ],
-  "postCreateCommand": "oryx build -p virtualenv_name=.venv --log-file /tmp/oryx-build.log --manifest-dir /tmp || echo 'Could not auto-build. Skipping.'"
-}
+    "dbaeumer.vscode-eslint",
+    "visualstudioexptteam.vscodeintellicode"
+  ]
+}