Update README.md

Author: p-ranav

README.md

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+  <a href="https://en.wikipedia.org/wiki/C%2B%2B17">
+    <img src="https://img.shields.io/badge/C%2B%2B-17-blue.svg" alt="standard"/>
+  </a>
+  <a href="https://github.com/p-ranav/tabulate/blob/master/LICENSE">
+    <img src="https://img.shields.io/badge/License-MIT-yellow.svg" alt="license"/>
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+  <img src="https://img.shields.io/badge/version-0.1.0-blue.svg?cacheSeconds=2592000" alt="version"/>
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 `iris` is a `C++17` header-only library that provides a [component model](https://en.wikipedia.org/wiki/Component-based_software_engineering) and messaging framework based on [ZeroMQ](https://zeromq.org/). 
 
 ## Prerequisites