adding packages

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+[![Buy Me A Coffee](https://img.shields.io/badge/Donate-Buy%20Me%20A%20Coffee-yellow.svg)](https://www.buymeacoffee.com/rodydavis)
+[![Donate](https://img.shields.io/badge/Donate-PayPal-green.svg)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=WSH3GVC49GNNJ)
+![github pages](https://github.com/rodydavis/flutter_midi/workflows/github%20pages/badge.svg)
+[![GitHub stars](https://img.shields.io/github/stars/rodydavis/flutter_midi?color=blue)](https://github.com/rodydavis/flutter_midi)
+[![flutter_midi](https://img.shields.io/pub/v/flutter_midi.svg)](https://pub.dev/packages/flutter_midi)
+
+# flutter_midi
+
+A FLutter Plugin to Play midi on iOS and Android. This uses SoundFont (.sf2) Files.
+
+Online Demo: https://rodydavis.github.io/flutter_midi/
+
+## Installation
+
+Download a any sound font file, example: `sound_font.SF2` file.
+
+Create an /assets folder and store the .sf2 files
+
+Update pubspec.yaml
+
+``` ruby
+assets:
+   - assets/sf2/Piano.SF2
+   - assets/sf2/SmallTimGM6mb.sf2
+```
+ 
+Load the sound font to prepare to play;
+
+```dart
+ @override
+  void initState() {
+    load('assets/sf2/Piano.SF2');
+    super.initState();
+  }
+  
+ void load(String asset) async {
+    FlutterMidi.unmute(); // Optionally Unmute
+    ByteData _byte = await rootBundle.load(asset);
+    FlutterMidi.prepare(sf2: _byte);
+  }
+```
+
+Play and Stop the Midi Notes
+
+```dart
+ FlutterMidi.playMidiNote(midi: 60);
+ FlutterMidi.playMidiNote(midi: 60, velocity: 120);
+
+ FlutterMidi.stopMidiNote(midi: 60);
+ FlutterMidi.stopMidiNote(midi: 60, velocity: 120);
+```