add full description for id

fastlane/metadata/android/id/full_description.txt

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+Open source notepad and to-do list app using the latest Android technologies.
+
+* Dash clock support (yes, it still works)
+* Notifications: set reminders at a certain time, with optional repetition on certain weekdays
+* Language selection
+* Widget, with lockscreen support, resizeable and configurable
+* Password-protect important notes
+* Move tasks between different lists
+* Drag to reorder tasks
+* Integration with Android Agenda widget
+* Search
+* Light and dark themes
+* Back up (import and export) notes to a JSON file
+* Sync with an ORG file on the local storage
+
+To improve this app, make a donation, or simply share ideas,
+come visit at https://github.com/spacecowboy/NotePad