Updated README.md

Author: abhik1505040

README.md

@@ -25,6 +25,8 @@ normalized_text = normalize(
 
 Contents of this repository are restricted to non-commercial research purposes only under the [Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (CC BY-NC-SA 4.0)](https://creativecommons.org/licenses/by-nc-sa/4.0/). 
 
+<a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png" /></a>
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 ## Citation
 
 If you use this module in your work, please cite the following paper: