Add config for vscode IDE

.vscode/settings.json

@@ -0,0 +1,14 @@
+{
+  "editor.tabSize": 2,
+  "files.exclude": {
+    "*.xcworkspace": true,
+    "**/node_modules": true,
+    "**/package-lock.json": true,
+    "lib": true,
+    "web/lib": true,
+    "ephemeral": true,
+    "concept": true
+  },
+  "javascript.preferences.quoteStyle": "single",
+  "typescript.preferences.quoteStyle": "single"
+}