Implement Jazzband guidelines for django-smart-selects

This issue tracks the implementation of the Jazzband guidelines for the project django-smart-selects

It was initiated by @digi604 who was automatically assigned in addition to the Jazzband roadies.

See the TODO list below for the generally required tasks, but feel free to update it in case the project requires it.

Feel free to ping a Jazzband roadie if you have any question.

TODOs

• Fix all links in the docs (and README file etc) from old to new repo
• Add the Jazzband badge to the README file
• Add the Jazzband contributing guideline to the CONTRIBUTING.md or CONTRIBUTING.rst file
• Check if continuous testing works (e.g. Travis CI, CircleCI, AppVeyor, etc)
• Check if test coverage services work (e.g. Coveralls, Codecov, etc)
• Add jazzband account to PyPI project as maintainer role (e.g. URL: https://pypi.org/manage/project/django-smart-selects/collaboration/)
• Set up Readthedocs project (@manelclos)
• Add Sphinx project and move current docs to it (@manelclos)
• Add jazzband-bot as maintainer to the Read the Docs project (e.g. URL: https://readthedocs.org/dashboard/django-smart-selects/users/) (@jezdez)
• Add incoming GitHub webhook integration to Read the Docs project (e.g. URL: https://readthedocs.org/dashboard/django-smart-selects/integrations/)
• Fix project URL in GitHub project description
• Review project if other services are used and port them to Jazzband
• Decide who is project lead for the project (if at all)
• Set up CI for Jazzband project releases if needed and open ticket if yes

Project details

<caption></caption>

Description	chained and grouped selects for django forms
Homepage
Stargazers	792
Open issues	49
Forks	282
Default branch	master
Is a fork	False
Has Wiki	False
Has Pages	False

[jezdez]

Fixed in ab3fd1bd13c2302ce4f847d73f38aba59fc1ff78.

[digi604]

added manelclos as a maintainer