Restructure project to root layout

.vscode/launch.json

@@ -6,7 +6,7 @@
       "type": "pwa-chrome",
       "request": "launch",
       "url": "http://localhost:5173/",
-      "webRoot": "${workspaceFolder}/app/src",
+      "webRoot": "${workspaceFolder}/src",
       "preLaunchTask": "npm: dev server"
     },
     {
@@ -14,7 +14,7 @@
       "type": "pwa-chrome",
       "request": "launch",
       "url": "http://localhost:4173/",
-      "webRoot": "${workspaceFolder}/app/src",
+      "webRoot": "${workspaceFolder}/src",
       "preLaunchTask": "npm: preview server"
     }
   ]