Update README with Steply CLI installation and quick start

Added installation instructions for Steply CLI and a quick start guide.

Author: authorjapps

README.md

@@ -2,6 +2,7 @@
 ===
 A no-code automated testing framework for Data streams(Kafka), microservices APIs, and databases using JSON.
 
+Next, install the [Steply](https://github.com/QABEES/steply?tab=readme-ov-file#steply) CLI to run tests in language-independent mode.
 
 [![API](https://img.shields.io/badge/api-automation-blue)](https://github.com/authorjapps/zerocode/wiki/What-is-Zerocode-Testing)
 [![Performance Testing](https://img.shields.io/badge/performance-testing-8A2BE2)](https://github.com/authorjapps/zerocode/wiki/Load-or-Performance-Testing-(IDE-based))
@@ -19,6 +20,13 @@ A no-code automated testing framework for Data streams(Kafka), microservices API
 Zerocode makes it easy to create and maintain automated tests with absolute minimum overhead for [REST](https://github.com/authorjapps/zerocode/wiki/User-journey:-Create,-Update-and-GET-Employee-Details),[SOAP](https://github.com/authorjapps/zerocode/blob/master/README.md#soap-method-invocation-example-with-xml-input), [Kafka Real Time Data Streams](https://github.com/authorjapps/zerocode/wiki/Kafka-Testing-Introduction) and much more. 
 It has the best of best ideas and practices from the community to keep it super simple, and the adoption is rapidly growing among the developers & testers community.
 
+# Quick Start
+Install Steply CLI from [here](https://github.com/QABEES/steply?tab=readme-ov-file#steply) 
+and run an automated validation test:
+```
+steply --scenario tests/validate_github_user.json --target-env env/sit.properties
+```
+
 Documentation
 ===
 Visit here :