Some improvements with tray icon.

I've also added a way to "hide" a red dot when the notification is clicked.

README.md

@@ -30,10 +30,10 @@ npm install && npm run dist
 ```
 See [their docs](https://www.electron.build/multi-platform-build) if you wish to learn it's usage or type `npm run dist --help` for the built-in help.
 
-Eg.
+I've also made a quick script to produce binaries for all architectures on Linux:
 ```sh
+npm run build-linux
 ```
-To built the project for 
 
 ## Package
 The app uses also `electron-builder` to quickly produce unpackaged directory (eg. for testing purpouses).

main.js

@@ -207,6 +207,10 @@ function createWindow () {
 		if(!win.isFocused()) tray.setImage(appTrayPing);
 	})
 
+	ipcMain.on('notification-clicked', () => {
+		tray.setImage(appTrayIcon)
+	})
+
 	app.on('browser-window-focus', () => {
 		tray.setImage(appTrayIcon)
 	})

notify.js

@@ -13,6 +13,9 @@ var NativeNotification = Notification
 Notification = function(title, options) {
 	var notification = new NativeNotification(title, options)
 	ipc.send('receive-notification')
+	notification.on('click', () => {
+		ipc.send('notification-clicked')
+	})
 	return notification
 }