Add query current minion config with config.items

Fixes saltstack#48680

salt/modules/config.py

@@ -461,3 +461,16 @@ def gather_bootstrap_script(bootstrap=None):
     ret = salt.utils.cloud.update_bootstrap(__opts__, url=bootstrap)
     if 'Success' in ret and len(ret['Success']['Files updated']) > 0:
         return ret['Success']['Files updated'][0]
+
+def items():
+    '''
+    Return the complete config from the currently running minion process.
+    This includes defaults for values not set in the config file.
+
+    CLI Example:
+
+    .. code-block:: bash
+
+        salt '*' config.items
+    '''
+    return __opts__