Docs: updated stack

Author: avara1986

docs/index.rst

@@ -19,13 +19,13 @@ microservices with Python which handles cross-cutting concerns:
 Stack
 -----
 * `PyMS <https://github.com/python-microservices/pyms>`_
-* `connexion <http://connexion.readthedocs.io>`_
-* `Flask <https://github.com/pallets/flask>`_
+   * `Flask <https://github.com/pallets/flask>`_
+   * `connexion <http://connexion.readthedocs.io>`_
+   * `Opentracing <https://github.com/opentracing-contrib/python-flask>`_
 * `SQLAlchemy <https://www.sqlalchemy.org/>`_
 * `Flask-SQLAlchemy <http://flask-sqlalchemy.pocoo.org/2.3/>`_
-* `Flask-Injector <https://github.com/alecthomas/flask_injector>`_
 * `Flask-Script <https://flask-script.readthedocs.io/en/latest/>`_
-* `Opentracing <https://github.com/opentracing-contrib/python-flask>`_
+
 
 
 Content