Using the public class for lazy loading the module (#197)

Check this blog for more information on Lazy loading the native modules http://blog.nparashuram.com/2019/04/lazy-native-modules-react-native-android.html

android/src/main/java/fr/bamlab/rnimageresizer/ImageResizerModule.java

@@ -21,7 +21,7 @@
  * Created by almouro on 19/11/15.
  * Updated by Cristiano on 2019-05-12
  */
-class ImageResizerModule extends ReactContextBaseJavaModule {
+public class ImageResizerModule extends ReactContextBaseJavaModule {
     private Context context;
 
     public ImageResizerModule(ReactApplicationContext reactContext) {