add post create cmd

Author: joshuanianji

.devcontainer/devcontainer.json

@@ -29,13 +29,13 @@
     ],
     "remoteEnv": {
         "PATH": "${containerEnv:PATH}:${containerWorkspaceFolder}/node_modules/.bin"
-    }
+    },
     // Features to add to the dev container. More info: https://containers.dev/features.
     // "features": {},
     // Use 'forwardPorts' to make a list of ports inside the container available locally.
     // "forwardPorts": [],
     // Use 'postCreateCommand' to run commands after the container is created.
-    // "postCreateCommand": "sudo chown -R node:node /home/node/.elm"
+    "postCreateCommand": "sudo chown -R node:node /home/node/.elm"
     // Configure tool-specific properties.
     // "customizations": {},
     // Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.