Fix discord clearActivity, menu

The callback sends multiple events, in particular two pause when going to the
next song, so the timeout wasn't properly cleared.
Add menu buttons for the two options

plugins/discord/menu.js

@@ -0,0 +1,21 @@
+const { setOptions } = require("../../config/plugins");
+const { edit } = require("../../config");
+
+module.exports = (win, options) => [
+	{
+		label: "Clear activity after timeout",
+		type: "checkbox",
+		checked: options.activityTimoutEnabled,
+		click: (item) => {
+			options.activityTimoutEnabled = item.checked;
+			setOptions('discord', options);
+		},
+	},
+	{
+		label: "Set timeout time in config",
+		click: () => {
+			// open config.json
+			edit();
+		},
+	},
+];