feat: Update supported version

doc/changelog.d/38.added.md

@@ -0,0 +1 @@
+Update supported version

doc/source/user_guide/index.rst

@@ -8,6 +8,12 @@ This section explains key concepts for implementing the Ansys tools common in yo
 You can use the Ansys tools common in your examples as well as integrate this library into
 your own code.
 
+.. important::
+   This library only supports the last two major versions of Python. Usage with older
+   versions might or might not work.
+
+
+
 .. grid:: 1 2 2 2
 
     .. grid-item-card:: Ansys tools path

doc/source/user_guide/report.rst

@@ -1,12 +1,12 @@
 .. _ref_report:
 
-User guide
-==========
+Ansys report tool
+==================
 
 This section explains how to use ``pyansys-tools-report`` and its features.
 
-Using PyAnsys Tools Report
---------------------------
+Using PyAnsys report tool
+-------------------------
 
 Once the ``pyansys-tools-report`` package is installed in your own personal environment (if not, please proceed
 to :ref:`ref_getting_started`), you can start importing the package and using it.

doc/source/user_guide/versioning.rst

@@ -1,7 +1,7 @@
 .. ref_versioning:
 
-User guide
-==========
+Ansys versioning tool
+=====================
 
 The fundamental object provided by ``ansys.tools.versioning`` is a decorator
 named :meth:`ansys.tools.versioning.requires_version` which accepts: