Add license

CHANGELOG.md

@@ -5,6 +5,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [0.0.3] - migrate to sound null safety
+### Added
+- license
+
 ### Changed
 - code is now sound null safe
 

LICENSE

@@ -0,0 +1,10 @@
+Copyright Michele Volpato 2020 - 2021
+
+You can read the code, download 
+it, learn from it and run it on you machine with the purpose of learning. 
+But you are not allowed to modify and/or 
+use it in any project, commercial or non-commercial.
+
+If you would like to re-use the code for one of your projects, 
+any kind of projects, you can contact me at [email protected], 
+and we can discuss the specific use.

README.md

@@ -3,6 +3,17 @@
 This is a [Flutter](https://flutter.dev) project used during a [series](https://ishouldgotosleep.com/tutorials/music-app/simple-flutter-music-player-app/) of articles
 on [I should go to sleep](https://ishouldgotosleep.com).
 
+### License
+Copyright Michele Volpato 2020 - 2021
+
+You can read the code, download 
+it, learn from it and run it on you machine with the purpose of learning. 
+But you are not allowed to modify and/or 
+use it in any project, commercial or non-commercial.
+
+If you would like to re-use the code for one of your projects, 
+any kind of projects, you can [contact me](mailto:[email protected]),
+and we can discuss the specific use.
 
 ## Articles