Electron 15, single-instance-lock and setting to disable hardwareMediaKeyHandling (#134)

* Update to Electron 15 and add Flatpak to README (#131)

* Update functional

* Change to 15

* Replace window.hide, window.restart with counterparts

* Fix openexternal by doing default JS

* Change mouse to pointer for <a> elements

* turn mouse to pointer for exit button

* Fix deprecation of Audio for AudioVideo

* Made a small mistake

* Add Flatpak to readme

* 3.0.0 prep

* Added setting to disable multiple tidal-hifi windows (defaults to true)

fixes #121

* Added setting to disable HardwareMediaKeyHandling (defaults to false)

fixes #133

Co-authored-by: Marie <marie@kaifa.ch>

build/electron-builder.unpacked.yml

@@ -1,3 +1,4 @@
 extends: ./build/electron-builder.yml
 linux:
   target:
+    - dir

build/electron-builder.yml

@@ -1,7 +1,7 @@
 appId: com.rickvanlieshout.tidal-hifi
-electronVersion: 8.5.2
+electronVersion: 15.5.2
 electronDownload:
-  version: 8.5.2-wvvmp
+  version: 15.5.2-wvvmp
   mirror: https://github.com/castlabs/electron-releases/releases/download/v
 snap:
   plugs:
@@ -27,7 +27,7 @@ linux:
     StartupNotify: true
     Terminal: false
     Type: Application
-    Categories: Network;Application;Audio;Video
+    Categories: Network;Application;AudioVideo;Audio;Video
     StartupWMClass: tidal-hifi
     X-PulseAudio-Properties: media.role=music
 mac: