Final release

Changelog

• 🎨 Redesigned app icon

• ⬆️ bump minSdkVersion 21, targetSdkVersion 30 & compileSdkVersion 30

• Show snackbar when copied.

• Change appBar theme colour

• ⬆️ Upgrade noise_meter dependencies to 2.0.0

• Add GitHub repo link (this repo)

• and other minor things

Get it on Google Play Store