Added Maintenance status to README.md

README.md

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 [![Coverage Status](https://coveralls.io/repos/github/LM-Commons/LmcRbac/badge.svg?branch=master)](https://coveralls.io/github/LM-Commons/LmcRbac?branch=master)
 [![Static Badge](https://img.shields.io/badge/Chat_on-Slack-blue)](https://join.slack.com/t/lm-commons/shared_invite/zt-2gankt2wj-FTS45hp1W~JEj1tWvDsUHQ)
 
+![Dynamic JSON Badge](https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fapi.github.com%2Frepos%2Flm-commons%2Flmcrbac%2Fproperties%2Fvalues&query=%24%5B%3A1%5D.value&label=Maintenance%20Status)
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 Role-based access control module to provide additional features on top of Zend\Permissions\Rbac
 
 Based on [ZF-Commons/zfc-rbac](https://github.com/ZF-Commons/zfc-rbac) v3.x. If you are looking for the Laminas version