feat: Update widget button alpha for improved visibility and bump version to 0.0.3

feat: Add primary button background and update secondary button radius in widget layout

widget colors + eur currency

feat: Update README and build configuration for versioning and APK naming

Add MIT License to the project

feat: Enhance app performance and deep link support

Fix input visibility and enhance UI with Balance display

feat: added sqlite

[] backend setup + style form

[] feat: setup

Initial commit