fix: android bundle id

Author: pd4d10

Diff for: android/app/build.gradle

@@ -44,7 +44,7 @@ android {
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId "io.github.pd4d10.git_touch"
+        applicationId "io.github.pd4d10.gittouch"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-build-configuration.
         minSdkVersion 19 // flutter.minSdkVersion