update markdown for setup.py per https://packaging.python.org/tutorials/packaging-projects/#description
update markdown for setup.py per https://packaging.python.org/tutorials/packaging-projects/#description

arcturusannamalai/open-tamil,Ezhil-Language-Foundation/open-tamil,Ezhil-Language-Foundation/open-tamil,Ezhil-Language-Foundation/open-tamil,arcturusannamalai/open-tamil,Ezhil-Language-Foundation/open-tamil,arcturusannamalai/open-tamil,Ezhil-Language-Foundation/open-tamil,arcturusannamalai/open-tamil,arcturusannamalai/open-tamil,arcturusannamalai/open-tamil,Ezhil-Language-Foundation/open-tamil,Ezhil-Language-Foundation/open-tamil,Ezhil-Language-Foundation/open-tamil,Ezhil-Language-Foundation/open-tamil,arcturusannamalai/open-tamil