Add dev_commit.sh helper and no-emoji mandate

wp-includes/class-wp-exception.php

@@ -0,0 +1,16 @@
+<?php
+/**
+ * WP_Exception class
+ *
+ * @package WordPress
+ * @since 6.7.0
+ */
+
+/**
+ * Core base Exception class.
+ *
+ * Future, more specific, Exceptions should always extend this base class.
+ *
+ * @since 6.7.0
+ */
+class WP_Exception extends Exception {}