Add updateJson support

This will enable users to install updates to ViPER4AndroidRepackaged within Magisk.

Author: programminghoch10

module.prop

@@ -5,3 +5,4 @@ versionCode=2721VCODE
 author=ViPER520, ZhuHang, Pittvandewitt, MrWhite214, Zackptg5, programminghoch10
 description=ViPER4AndroidFX v2.7.x reborn & repackaged
 support=https://forum.xda-developers.com/android/apps-games/app-viper4android-fx-2-6-0-0-t3774651
+updateJson=https://raw.githubusercontent.com/programminghoch10/ViPER4AndroidRepackaged/deploy/update.json