added post and pages abilities

Author: IshikaBansal95

docker-compose.yml

@@ -146,4 +146,4 @@ volumes:
 networks:
   # Creating our own network allows us to connect between containers using their service name.
   wpdevnet:
-    driver: bridge
+    driver: bridge

src/wp-includes/abilities-api/class-wp-abilities-registry.php

@@ -78,7 +78,7 @@ final class WP_Abilities_Registry {
 	 * @return WP_Ability|null The registered ability instance on success, null on failure.
 	 */
 	public function register( string $name, array $args ): ?WP_Ability {
-		if ( ! preg_match( '/^[a-z0-9-]+\/[a-z0-9-]+$/', $name ) ) {
+		if ( ! preg_match( '/^[a-z0-9-]+(\/[a-z0-9-]+)+$/', $name ) ) {
 			_doing_it_wrong(
 				__METHOD__,
 				__(