docs(angular.Module): add link to module.config() docs

Add a link on where to find more info about how to use `module.config()`

Closes #6270

Author: breyed

src/loader.js

@@ -266,6 +266,8 @@ function setupModuleLoader(window) {
            *    configuration.
            * @description
            * Use this method to register work which needs to be performed on module loading.
+           * For more about how to configure services, see
+           * {@link providers#providers_provider-recipe Provider Recipe}.
            */
           config: config,