Mention more tools in tool-recommendations.rst (pypa#683)

Be clearer that if pipenv isn't working out for people, there are alternative options to explore that either work differently or are are better building blocks for custom scripting.

Add other packaging options since pipenv is not the only one out there.

* Update source/guides/tool-recommendations.rst

Co-Authored-By: Pradyun Gedam <[email protected]>

* Update tool-recommendations.rst

Add pip as first tool to consider

Co-authored-by: Pradyun Gedam <[email protected]>

Author: 2 people

source/guides/tool-recommendations.rst

@@ -15,8 +15,13 @@ Use :ref:`pipenv` to manage library dependencies when developing Python
 applications. See :doc:`../tutorials/managing-dependencies` for more details
 on using ``pipenv``.
 
-Consider other tools such as :ref:`pip` when ``pipenv`` does not meet your use
-case.
+When ``pipenv`` does not meet your use case, consider other tools like:
+
+* :ref:`pip`
+
+* `pip-tools <https://github.com/jazzband/pip-tools>`_
+
+* `Poetry <https://python-poetry.org/>`_
 
 Installation tool recommendations
 =================================