chore: upgrade app to 2.0.4 (#1408)

Author: CloudyPadmal

Diff for: app/build.gradle

@@ -8,8 +8,8 @@ android {
         applicationId "io.pslab"
         minSdkVersion rootProject.ext.minSdkVersion
         targetSdkVersion rootProject.ext.targetSdkVersion
-        versionCode 4
-        versionName "2.0.3"
+        versionCode 5
+        versionName "2.0.4"
         multiDexEnabled true
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }