Added missing fastlane descriptions

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

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+Amateur radio and weather satellite tracker and passes predictor for Android
+
+Main features:
+Calculating satellite passes for up to one week (168 hours)
+Calculating passes for the current or manually entered location
+Showing the list of currently active and upcoming satellite passes
+Showing the active pass progress, polar trajectory and transceivers info
+Showing the satellite positional data, footprint and ground track on a map
+Offline first: passes predictions are made offline. Weekly updates of TLEs and transceivers DB are recommended.

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

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+Satellite tracker and passes predictor