refactor(action): rebuild in TypeScript based on typescript-action template repo (#9)

.vscode/extensions.json

@@ -0,0 +1,10 @@
+{
+  // See https://go.microsoft.com/fwlink/?LinkId=827846 to learn about workspace recommendations.
+  // Extension identifier format: ${publisher}.${name}. Example: vscode.csharp
+  // List of extensions which should be recommended for users of this workspace.
+  "recommendations": [
+    // Allows for use of settings.shared.json and settings.local.json.
+    "swellaby.workspace-config-plus",
+    "esbenp.prettier-vscode"
+  ]
+}

.vscode/settings.shared.json

@@ -0,0 +1,5 @@
+{
+  "[typescript]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode"
+  }
+}