feat: add ulid method to matches ids trait (#12)

Author: adrien-delhom

src/Core/Schema/Concerns/MatchesIds.php

@@ -52,6 +52,16 @@ public function uuid(): self
         return $this->matchAs('[\da-f]{8}-[\da-f]{4}-[\da-f]{4}-[\da-f]{4}-[\da-f]{12}');
     }
 
+    /**
+     * Mark the ID field as a ULID.
+     *
+     * @return $this
+     */
+    public function ulid(): self
+    {
+        return $this->matchAs('[0-7][0-9a-hjkmnp-tv-zA-HJKMNP-TV-Z]{25}');
+    }
+
     /**
      * Set the pattern for the ID field.
      *