Add VSCode extension recommendations (#104)

.vscode/extensions.json

@@ -0,0 +1,16 @@
+{
+  // 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": [
+    "bradlc.vscode-tailwindcss",
+    "dbaeumer.vscode-eslint",
+    "GraphQL.vscode-graphql",
+    "GraphQL.vscode-graphql-syntax",
+    "mikestead.dotenv",
+    "esbenp.prettier-vscode"
+  ],
+  // List of extensions recommended by VS Code that should not be recommended for users of this workspace.
+  "unwantedRecommendations": []
+}