Merge branch '38-preload-winning-image' into 'master'

Resolve "Preload winning image"

Closes #38

See merge request !36

android/gradle.properties

 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
-app.versionName=0.0.32
-app.versionCode=32
+app.versionName=0.0.33
+app.versionCode=33

lib/screens/home.dart

@@ -374,6 +374,7 @@ class Home extends StatelessWidget {
 
     if (_myProvider.isShufflingBoard) {
       content = _buildShufflingIndicatorWidget();
+      precacheImage(new AssetImage('assets/icons/game_win.png'), context);
     } else {
       if (_myProvider.image == '') {
         content = _buildImageSelector(_myProvider, _selectorImageSize, _tileImageSize);