initial pass at adding a help tab to screen

src/WPBT/WPBT_Bootstrap.php

@@ -145,6 +145,7 @@ public function load_requires() {
 		require_once $this->dir . '/src/WPBT/WPBT_Core.php';
 		require_once $this->dir . '/src/WPBT/WPBT_Extras.php';
 		require_once $this->dir . '/src/WPBT/WPBT_Beta_RC.php';
+		require_once $this->dir . '/src/WPBT/WPBT_Help.php';
 		require_once $this->dir . '/vendor/WPConfigTransformer.php';
 	}
 }

src/WPBT/WPBT_Help.php

@@ -0,0 +1,38 @@
+<?php
+/**
+ * WordPress Beta Tester
+ *
+ * @package WordPress_Beta_Tester
+ * @author Andy Fragen and Paul Biron, original author Peter Westwood.
+ * @license GPLv2+
+ * @copyright 2009-2016 Peter Westwood (email : peter.westwood@ftwr.co.uk)
+ */
+
+/**
+ * WPBT Help
+ */
+class WPBT_Help {
+	/**
+	 * Load hooks for screen help tabs.
+	 *
+	 * @return void
+	 */
+	public function load_hooks() {
+		add_action( 'current_screen', array( $this, 'add_help_tabs' ) );
+	}
+
+	/**
+	 * Add individual help tabs.
+	 *
+	 * @return void
+	 */
+	public function add_help_tabs() {
+		get_current_screen()->add_help_tab(
+			array(
+				'id'      => 'overview',
+				'title'   => __( 'Overview' ),
+				'content' => '<p>' . __( 'This screen provides help information for the Beta Tester plugin.', 'wordpress-beta-tester' ) . '</p>',
+			)
+		);
+	}
+}

src/WPBT/WPBT_Settings.php

@@ -55,6 +55,9 @@ public function run() {
 		$wpbt_extras->load_hooks();
 		// TODO: ( new WPBT_Extras( $this->wp_beta_tester, self::$options ) )->skip_autoupdate_email();
 		$wpbt_extras->skip_autoupdate_email();
+		// TODO: ( new WPBT_Help() )->load_hooks();
+		$wpbt_help = new WPBT_Help();
+		$wpbt_help->load_hooks();
 	}
 
 	/**