Add a local playlist, fix usability bug

Merge pull request #3 from mvolpato/addd-playlist

Fix usability issue, add local playlist

Add Provider and move hardcoded data

Merge pull request #2 from mvolpato/feature/playlists-service

Feature/playlists service

Code is now sound null safe

0.0.3

Add license

Add a playlist to a simple music player in Flutter

Merge pull request #1 from mvolpato/feature/add-playlist

Feature/add playlist

Create the project and add basic buttons

Code for Part1: create the project and add basic buttons.