Update README.md

Author: serderovsh

README.md

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 # TRON API for Python
 A Python API for interacting with the Tron (TRX)
 
+[![Software License](https://img.shields.io/badge/license-Apache-brightgreen.svg?style=flat-square)](LICENSE)
+[![Build Status](https://api.travis-ci.com/iexbase/tron-api-python.svg?branch=master)](https://travis-ci.com/iexbase/tron-api-python)
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+
 ## Install
 
 | Setup   | Command             | Notes