Add https protocol on websites at the README.rst (#611)

The  documentation and the github website for this current project now have the https protocol in order to prioritize the secure website access.

Co-authored-by: Sambhav Kothari <sambhavs.email@gmail.com>

README.rst

@@ -74,8 +74,8 @@ Before submitting a PR make sure that you run `make all`.
 Links
 -----
 
-* `Read the full documentation here <http://pydocstyle.org/en/stable/>`_.
+* `Read the full documentation here <https://pydocstyle.org/en/stable/>`_.
 
-* `Fork pydocstyle on GitHub <http://github.com/PyCQA/pydocstyle>`_.
+* `Fork pydocstyle on GitHub <https://github.com/PyCQA/pydocstyle>`_.
 
 * `PyPI project page <https://pypi.python.org/pypi/pydocstyle>`_.