Add Cli best practices badge to readme
@@ -7,6 +7,7 @@ Siddhi Core Libraries
[![GitHub Open Issues](https://img.shields.io/github/issues-raw/siddhi-io/siddhi.svg)](https://github.com/siddhi-io/siddhi/commits/master)
[![GitHub Last Commit](https://img.shields.io/github/last-commit/siddhi-io/siddhi.svg)](https://github.com/siddhi-io/siddhi/commits/master)
[![Codecov](https://codecov.io/gh/siddhi-io/siddhi/branch/master/graph/badge.svg)](https://codecov.io/gh/siddhi-io/siddhi)
+ [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/2974/badge)](https://bestpractices.coreinfrastructure.org/projects/2974)
[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
<a target="_blank" href="https://siddhi.io/">Siddhi</a> is a cloud native **_Streaming_** and **_Complex Event Processing_** engine that understands **Streaming SQL queries** in order to capture events from diverse data sources, process them, detect complex conditions, and publish output to various endpoints in real time.
