Increment to v3.7.8

presentation/build.gradle

@@ -31,8 +31,8 @@ android {
         applicationId "com.moez.QKSMS"
         minSdkVersion 21
         targetSdkVersion 28 // Don't upgrade to 29 until we support Scoped storage
-        versionCode 2206
-        versionName "3.7.7"
+        versionCode 2207
+        versionName "3.7.8"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }