chore: Create .vscode/settings.json

Author: koki-develop

.vscode/settings.json

@@ -0,0 +1,8 @@
+{
+  "[typescript]": {
+    "editor.defaultFormatter": "biomejs.biome"
+  },
+  "[typescriptreact]": {
+    "editor.defaultFormatter": "biomejs.biome"
+  }
+}