Use random port for web app

src/Vegasco-Web/package.json

@@ -3,7 +3,9 @@
   "version": "0.0.0",
   "scripts": {
     "ng": "ng",
-    "start": "ng serve",
+    "start": "run-script-os",
+    "start:win32": "ng serve --port %PORT%",
+    "start:default": "ng serve --port $PORT",
     "build": "ng build",
     "watch": "ng build --watch --configuration development",
     "test": "ng test"
@@ -31,6 +33,7 @@
     "karma-coverage": "~2.2.1",
     "karma-jasmine": "~5.1.0",
     "karma-jasmine-html-reporter": "~2.1.0",
+    "run-script-os": "^1.1.6",
     "typescript": "~5.8.3"
   }
 }