add zend-log to suggest

Author: samsonasik

composer.json

@@ -31,6 +31,7 @@
     },
     "suggest": {
         "zendframework/zend-json": "(^2.6.1 || ^3.0) To auto-deserialize JSON body content in AbstractRestfulController extensions, when json_decode is unavailable",
+        "zendframework/zend-log": "^2.9.1  To provide log functionality via LogFilterManager, LogFormatterManager, and LogProcessorManager",
         "zendframework/zend-mvc-console": "zend-mvc-console provides the ability to expose zend-mvc as a console application",
         "zendframework/zend-mvc-i18n": "zend-mvc-i18n provides integration with zend-i18n, including a translation bridge and translatable route segments",
         "zendframework/zend-mvc-plugin-fileprg": "To provide Post/Redirect/Get functionality around forms that container file uploads",