use Electron with ToastXML instead of SnoreToast

* Add support for protocol commands
* Remove node-notifier dependency

providers/protocol-handler.js

@@ -0,0 +1,44 @@
+const { app } = require("electron");
+const path = require("path");
+const getSongControls = require("./song-controls");
+
+const APP_PROTOCOL = "youtubemusic";
+
+let protocolHandler;
+
+function setupProtocolHandler(win) {
+	if (process.defaultApp && process.argv.length >= 2) {
+		app.setAsDefaultProtocolClient(
+			APP_PROTOCOL,
+			process.execPath,
+			[path.resolve(process.argv[1])]
+		);
+	} else {
+		app.setAsDefaultProtocolClient(APP_PROTOCOL)
+	}
+	  
+	const songControls = getSongControls(win);
+
+	protocolHandler = (cmd) => {
+		if (Object.keys(songControls).includes(cmd)) {
+			songControls[cmd]();
+		}
+	}
+}
+
+function handleProtocol(cmd) {
+	protocolHandler(cmd);
+}
+
+function changeProtocolHandler(f) {
+	protocolHandler = f;
+}
+
+module.exports = {
+	APP_PROTOCOL,
+	setupProtocolHandler,
+	handleProtocol,
+	changeProtocolHandler,
+};
+
+