added mpris (linux media player controls) support

frontend/wailsjs/go/player/Player.d.ts

@@ -2,6 +2,7 @@
 // This file is automatically generated. DO NOT EDIT
 import {player} from '../models';
 import {context} from '../models';
+import {mediacontrols} from '../models';
 
 export function ChangeVolume(arg1:number):Promise<void>;
 
@@ -33,6 +34,8 @@ export function Seek(arg1:number):Promise<void>;
 
 export function SetContext(arg1:context.Context):Promise<void>;
 
+export function SetMediaControls(arg1:mediacontrols.Handler):Promise<void>;
+
 export function SetPlaybackFinishedHandler(arg1:any):Promise<void>;
 
 export function SetVolume(arg1:player.UserVolume):Promise<void>;

frontend/wailsjs/go/player/Player.js

@@ -62,6 +62,10 @@ export function SetContext(arg1) {
   return window['go']['player']['Player']['SetContext'](arg1);
 }
 
+export function SetMediaControls(arg1) {
+  return window['go']['player']['Player']['SetMediaControls'](arg1);
+}
+
 export function SetPlaybackFinishedHandler(arg1) {
   return window['go']['player']['Player']['SetPlaybackFinishedHandler'](arg1);
 }