chore: update app icons for react native demos (#270)

Co-authored-by: DominicGBauer <dominic@nomanini.com>

Author: DominicGBauer

demos/django-react-native-todolist/android/app/build.gradle

@@ -110,6 +110,7 @@ android {
             shrinkResources (findProperty('android.enableShrinkResourcesInReleaseBuilds')?.toBoolean() ?: false)
             minifyEnabled enableProguardInReleaseBuilds
             proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
+            crunchPngs (findProperty('android.enablePngCrunchInReleaseBuilds')?.toBoolean() ?: true)
         }
     }
     packagingOptions {