add xcode config

android/app/src/main/AndroidManifest.xml

@@ -5,7 +5,7 @@
     <application
         android:label="青龙"
         android:name="${applicationName}"
-        android:icon="@mipmap/img">
+        android:icon="@mipmap/ic_launcher">
         <activity
             android:name=".MainActivity"
             android:exported="true"

android/app/src/main/kotlin/work/master/qinglong_app/MainActivity.kt

@@ -0,0 +1,6 @@
+package work.master.qinglong_app
+
+import io.flutter.embedding.android.FlutterActivity
+
+class MainActivity: FlutterActivity() {
+}