chore: add minimal vscode settings and extensions

.vscode/extensions.json

@@ -0,0 +1,12 @@
+{
+  // 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": [
+    "esbenp.prettier-vscode",
+    "editorconfig.editorconfig",
+    "juanblanco.solidity",
+    "golang.go",
+  ],
+}

.vscode/settings.json

@@ -0,0 +1,11 @@
+{
+  "[typescript]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode",
+    "editor.formatOnSave": true,
+  },
+  "prettier.configPath": "./.prettierrc.json",
+  "prettier.ignorePath": "",
+  "prettier.prettierPath": "./.node_modules/prettier",
+  "prettier.useEditorConfig": true,
+  "editorconfig.generateAuto": false,
+}