build(codespaces): add devcontainer.json

.devcontainer/devcontainer.json

@@ -0,0 +1,50 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/javascript-node
+{
+  "name": "Node.js",
+  // Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+  "image": "mcr.microsoft.com/devcontainers/javascript-node:22",
+
+  // Features to add to the dev container. More info: https://containers.dev/features.
+  // "features": {},
+
+  // Configure tool-specific properties.
+  "customizations": {
+    // Configure properties specific to VS Code.
+    "vscode": {
+      "settings": {
+        "workbench.colorTheme": "Default Dark+",
+        "workbench.iconTheme": "material-icon-theme"
+      },
+      "extensions": [
+        "bierner.markdown-preview-github-styles",
+        "dbaeumer.vscode-eslint",
+        "eamodio.gitlens",
+        "EditorConfig.EditorConfig",
+        "esbenp.prettier-vscode",
+        "firsttris.vscode-jest-runner",
+        "pkief.material-icon-theme",
+        "streetsidesoftware.code-spell-checker",
+        "yzhang.markdown-all-in-one"
+      ]
+    }
+  },
+
+  // Use 'forwardPorts' to make a list of ports inside the container available locally.
+  "forwardPorts": [3000],
+
+  // Use 'portsAttributes' to set default properties for specific forwarded ports.
+  // More info: https://containers.dev/implementors/json_reference/#port-attributes
+  // "portsAttributes": {
+  //   "3000": {
+  //     "label": "Hello Remote World",
+  //     "onAutoForward": "notify"
+  //   }
+  // },
+
+  // Use 'postCreateCommand' to run commands after the container is created.
+  "postCreateCommand": "yarn install"
+
+  // Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+  // "remoteUser": "root"
+}

cspell.json

@@ -9,6 +9,7 @@
     "tsconfig.tsbuildinfo",
     "package.json",
     "yarn.lock",
+    "devcontainer.json",
     ".gitpod.yml",
     "*.tgz"
   ],