Add dev requirements.txt

Author: Gonchik Tsymzhitov

docs/index.rst

@@ -145,11 +145,8 @@ Or Kerberos *(installation with kerberos extra necessary)*:
 .. |Codacy Badge| image:: https://api.codacy.com/project/badge/Grade/c822908f507544fe98ae37b25518ae3d
    :target: https://www.codacy.com/project/gonchik/atlassian-python-api/dashboard?utm_source=github.com&utm_medium=referral&utm_content=AstroMatt/atlassian-python-api&utm_campaign=Badge_Grade_Dashboard
    :alt: Codacy Badge
-<<<<<<< HEAD
 .. |PyPI - Downloads| image:: https://pepy.tech/badge/atlassian-python-api/month
    :alt: PyPI - Downloads
 .. |Docs| image:: https://readthedocs.org/projects/atlassian-python-api/badge/?version=latest
    :target: https://atlassian-python-api.readthedocs.io/en/latest/?badge=latest
-   :alt: Documentation Status
-=======
->>>>>>> 9535b4082ea544f042859bdc53436923dbf8b6e1
+   :alt: Documentation Status

requirements-dev.txt

@@ -0,0 +1,4 @@
+six
+requests
+oauthlib
+requests_oauthlib