Add Region.rectangle qualifier

Author: mckomo-cl

package.json

@@ -150,6 +150,6 @@
     }
   },
   "dependencies": {
-    "@cloudinary/transformation-builder-sdk": "^1.4.0"
+    "@cloudinary/transformation-builder-sdk": "^1.5.0"
   }
 }

src/qualifiers/region.ts

@@ -1,3 +1,3 @@
-import { Region, ocr, faces, custom } from "@cloudinary/transformation-builder-sdk/qualifiers/region";
+import { Region, ocr, faces, custom, rectangle } from "@cloudinary/transformation-builder-sdk/qualifiers/region";
 
-export {Region, ocr, faces, custom};
+export {Region, ocr, faces, custom, rectangle};