Merge branch '24-hide-tip-image-on-new-game' into 'master'

Resolve "Hide tip image on new game"

Closes #24

See merge request !22

android/gradle.properties

 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
-app.versionName=0.0.18
-app.versionCode=18
+app.versionName=0.0.19
+app.versionCode=19

lib/screens/home.dart

@@ -18,6 +18,7 @@ class Home extends StatelessWidget {
 
   Future<void> resetGame(Data myProvider) async {
     myProvider.updateImage = '';
+    myProvider.updateDisplayTipImage = false;
   }
 
   void toggleDisplayTipImage(Data myProvider) {