dev: added Prettier config

workspace.code-workspace

@@ -1,8 +1,13 @@
 {
-	"folders": [
-		{
-			"path": "."
-		}
-	],
-	"settings": {}
+    "folders": [
+        {
+            "path": "."
+        }
+    ],
+    "settings": {
+        "editor.defaultFormatter": "esbenp.prettier-vscode",
+        "editor.formatOnSave": true,
+        "prettier.useTabs": false,
+        "prettier.printWidth": 120,
+    }
 }