client/users: add keyboard shortcuts to user list

client/js/util/keyboard.js

@@ -0,0 +1,21 @@
+'use strict';
+
+const mousetrap = require('mousetrap');
+const settings = require('../settings.js');
+
+function bind(hotkey, func) {
+    if (settings.getSettings().keyboardShortcuts) {
+        mousetrap.bind(hotkey, func);
+        return true;
+    }
+    return false;
+}
+
+function unbind(hotkey) {
+    mousetrap.unbind(hotkey);
+}
+
+module.exports = {
+    bind: bind,
+    unbind: unbind,
+};