Clarify this command as a bundled command

Author: danielbachhuber

README.md

@@ -251,9 +251,11 @@ wp cap remove <role> <cap>...
 
 ## Installing
 
-Installing this package requires WP-CLI v0.23.0 or greater. Update to the latest stable release with `wp cli update`.
+This package is included with WP-CLI itself, no additional installation necessary.
 
-Once you've done so, you can install this package with `wp package install wp-cli/role-command`.
+To install the latest version of this package over what's included in WP-CLI, run:
+
+    wp package install [email protected]:wp-cli/role-command.git
 
 ## Contributing
 

composer.json

@@ -20,7 +20,9 @@
         "psr-4": {
             "": "src/"
         },
-        "files": [ "role-command.php" ]
+        "files": [
+            "role-command.php"
+        ]
     },
     "require": {},
     "require-dev": {
@@ -40,6 +42,7 @@
             "cap add",
             "cap list",
             "cap remove"
-        ]
+        ],
+        "bundled": true
     }
 }