feat: adding PyAnsys image

Author: RobPasMue

README.rst

@@ -30,10 +30,17 @@ PyAnsys metapackage
    :target: https://results.pre-commit.ci/latest/github/pyansys/pyansys/main
    :alt: pre-commit.ci status
 
+.. |pyansys-logo| image:: https://github.com/ansys/pyansys/raw/main/doc/source/_static/pyansys_dark.png
+   :alt: PyAnsys
+   :target: https://docs.pyansys.com/
+   :align: center
+
 Welcome to the PyAnsys metapackage repository. The ``pyansys`` metapackage
 provides a single package of collected PyAnsys packages that ensures compatibility
 of these packages amongst themselves and the Ansys product release that they are linked to.
 
+|pyansys-logo|
+
 The ``pyansys`` metapackage ensures compatibility between these PyAnsys packages:
 
 - `PyAdditive <https://additive.docs.pyansys.com/>`_: Pythonic interface to the Ansys Additive service.