fix: 添加MainApplication.kt和MainActivity.kt到git,修复release APK闪退

包名从com.hzecool.fsm改为com.fullshopmanagement后,新的Kotlin源文件
未被git跟踪(根目录.gitignore排除了android/),导致CI构建的APK缺少
MainApplication类,启动时ClassNotFoundException闪退。
1 job for develop in 10 minutes and 55 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #129364
studio-2023
ci-build

00:10:55