feat: save MIDI tracks to generation area; playing tracks and audio preview are still under development

frontend/wailsjs/go/backend_golang/App.d.ts

@@ -48,6 +48,8 @@ export function OpenSaveFileDialogBytes(arg1:string,arg2:string,arg3:Array<numbe
 
 export function PauseDownload(arg1:string):Promise<void>;
 
+export function PlayNote(arg1:backend_golang.MIDIMessage):Promise<void>;
+
 export function ReadFileInfo(arg1:string):Promise<backend_golang.FileInfo>;
 
 export function ReadJson(arg1:string):Promise<any>;

frontend/wailsjs/go/backend_golang/App.js

@@ -94,6 +94,10 @@ export function PauseDownload(arg1) {
   return window['go']['backend_golang']['App']['PauseDownload'](arg1);
 }
 
+export function PlayNote(arg1) {
+  return window['go']['backend_golang']['App']['PlayNote'](arg1);
+}
+
 export function ReadFileInfo(arg1) {
   return window['go']['backend_golang']['App']['ReadFileInfo'](arg1);
 }