feat: improve cross-uni app workflow

frontend/app/android/app/build.gradle

@@ -16,11 +16,32 @@ android {
             ignoreAssetsPattern '!.svn:!.git:!.ds_store:!*.scc:.*:!CVS:!thumbs.db:!picasa.ini:!*~'
         }
     }
+
+    flavorDimensions 'uni'
+    productFlavors {
+        file('../../config').eachDir {
+            def config = new groovy.json.JsonSlurper().parseText(file("$it/default.json").text)
+            "${it.name}" {
+                dimension 'uni'
+                applicationId config.android.packageName
+                versionName config.appMarketingVersion
+                resValue 'string', 'app_name', config.appName
+                resValue 'string', 'title_activity_main', config.appName
+                resValue 'string', 'package_name', config.android.packageName
+                resValue 'string', 'custom_url_scheme', config.appUrlScheme
+                resValue 'string', 'app_host', config.appLinkHost
+            }
+        }
+    }
+
     buildTypes {
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
+        debug {
+            applicationIdSuffix ".debug"
+        }
     }
 }