Release on Pypi

[TG1999]

A subtask from #41 , currently fetchcode is not released on Pypi, please have a look at skeleton https://github.com/nexB/skeleton repo and try to publish this on Pypi.

[jayvdb]

It has been published on PyPI. This issue can be closed.

[keshav-space]

PyPI relase now available here https://pypi.org/project/fetchcode/