SoundVault 0.0.3

What's new

• Renamed the app brand to SoundVault across the launcher label, in-app title, README, Gradle project name, and release scripts.
• Bumped Android release version to 0.0.3 / versionCode 3.

Checks

• Built signed release APK with the SoundVault release signing variables.
• Verified APK Signature Scheme v2 signing.
• Verified package metadata: label SoundVault, package me.aliahad.audioplayer, versionCode 3, versionName 0.0.3.
• Ran ./gradlew testDebugUnitTest.