Fix notification button overflow on tablets and bump version to 2.2.0

- Fix notification button text overflow on tablet devices
- Add tablet-specific media queries for button sizing and layout
- Shorten button text from "Enable Notifications" to "Enable Alerts"
- Add responsive button constraints with min/max width and text overflow handling
- Stack queue action buttons vertically on tablets for better fit
- Bump plugin version from 2.1.0 to 2.2.0 to include all recent enhancements

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

twilio-wp-plugin.php

@@ -3,7 +3,7 @@
  * Plugin Name: Twilio WP Plugin
  * Plugin URI: https://repo.anhonesthost.net/wp-plugins/twilio-wp-plugin
  * Description: WordPress plugin for Twilio integration with phone scheduling, call forwarding, queue management, and Eleven Labs TTS
- * Version: 2.1.0
+ * Version: 2.2.0
  * Author: Josh Knapp
  * License: GPL v2 or later
  * Text Domain: twilio-wp-plugin
@@ -15,7 +15,7 @@ if (!defined('WPINC')) {
 }
 
 // Plugin constants
-define('TWP_VERSION', '2.1.0');
+define('TWP_VERSION', '2.2.0');
 define('TWP_DB_VERSION', '1.1.0'); // Track database version separately
 define('TWP_PLUGIN_DIR', plugin_dir_path(__FILE__));
 define('TWP_PLUGIN_URL', plugin_dir_url(__FILE__));