Documenting scan-code server

[RajuKoushik]

The document of the scancode server could be build using Sphinx.

[singh1114]

@RajuKoushik What are the rules that we need to follow while writing docstrings that you mentioned in the conversation on gitter.

[RajuKoushik]

@singh1114 Here are the rules mentioned in the link.
http://sphinxcontrib-napoleon.readthedocs.io/en/latest/example_google.html

[srbcheema1]

@RajuKoushik can i work on this