StorySave

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- Added "android.permission.REQUEST_INSTALL_PACKAGES" permission as required by newer versions of Android.

This fixes a bug where downloading an update in StorySave will kick you back to the Install screen without actually installing the update. If this happens for you and you are on v1.23.3 or below, please navigate to /Internal Storage/com.liamcottle.apps/Android Apps/ and install StorySave.apk manually.