update this repo in a blog entry

[mxochicale]

Create an entry on https://mxochicale.github.io/blog/ with the following post
https://github.com/mxochicale/blogpost-submission-whygithub/tree/MXOCHICALE-2018
and add this resource of the use of issues https://guides.github.com/features/issues/