feat: update .gitignore and configure platform-specific settings in app.json

.gitignore

@@ -1,2 +1,6 @@
 node_modules
 pnpm-lock.yaml
+.expo
+ios
+android
+.env

app.json

@@ -30,6 +30,12 @@
       "eas": {
         "projectId": "00000000-0000-0000-0000-000000000000"
       }
+    },
+    "ios": {
+      "bundleIdentifier": "com.devbeni.vegas-blackjack"
+    },
+    "android": {
+      "package": "com.devbeni.vegasblackjack"
     }
   }
 }

package.json

@@ -5,8 +5,8 @@
   "main": "node_modules/expo/AppEntry.js",
   "scripts": {
     "start": "expo start",
-    "android": "expo start --android",
+    "android": "expo run:android",
-    "ios": "expo start --ios",
+    "ios": "expo run:ios",
     "web": "expo start --web"
   },
   "dependencies": {