chore: add F-Droid changelogs

fastlane/metadata/android/en-US/changelogs/1.txt

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+First release. A single scratchpad note that saves as you type, with undo/redo, clipboard actions and cursor keys. Share text to it from any app.

fastlane/metadata/android/en-US/changelogs/2.txt

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+Quick Settings tile that sends clipboard text straight to the note.
+Hold a button in the bar to preview what it does before letting go.

fastlane/metadata/android/en-US/changelogs/3.txt

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+Fixed the Quick Settings tile not picking up the clipboard on most devices.

fastlane/metadata/android/en-US/changelogs/4.txt

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+The launch screen now follows dark theme instead of flashing white.

fastlane/metadata/android/en-US/changelogs/5.txt

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+Move a line without leaving the bar: swipe up off the Up button, or down off Down.