Create .devcontainer.json

Author: adaex

.devcontainer.json

@@ -0,0 +1,8 @@
+// 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/javascript-node
+{
+  "name": "coajs",
+  "image": "mcr.microsoft.com/vscode/devcontainers/javascript-node",
+  "postCreateCommand": "yarn",
+  "extensions": ["mutantdino.resourcemonitor", "esbenp.prettier-vscode", "dbaeumer.vscode-eslint", "eamodio.gitlens"]
+}