added a gradle script to perform the copy of editor.html to the Android application assets folder. removed the static editor from this folder.

.gitignore

 .idea
 .gradle
 local.properties
+*.iml
 
 # node.js
 #
 android/app/*.iml
 yarn.lock
 *.log
+
+example/android/app/src/main/assets/editor.html

example/android/app/build.gradle

   from configurations.compile
   into 'libs'
 }
+
+project.afterEvaluate {
+    apply from: '../../node_modules/react-native-ZSSRichTextEditor/htmlCopy.gradle';
+    copyEditorHtmlToAppAssets(file('../../node_modules/react-native-ZSSRichTextEditor'))
+}

htmlCopy.gradle

+ext {
+ copyEditorHtmlToAppAssets = { dir ->
+    def fromF = new File(dir, '/src/editor.html');
+    def toF = new File(projectDir, '/src/main/assets/');
+    println ('Copying ZSSRichTextEditor html asset file from ' + fromF.toString() + ' to ' + toF.toString());
+
+    copy  {
+      from fromF
+      into toF
+    }
+  }
+}