add fastlane metadata

fastlane/metadata/android/en-US/full_description.txt

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+Teapod is a unoffical App for Anime-on-Demand (AoD).
+
+* Watch all animes from AoD on your Android device
+* Native Player based on ExoPayer
+* Prefer the OmU version via the app settings
+* Save your favorite animes to "My List"
+
+Licensed under the terms and conditions of GPL 3.
+This Project is not associated with Anime-on-Demand in any way.
+
+Please report bugs and issues to support@mosad.xyz