docs: Add danger section about open source. (#621)

* Add danger section about open source.

* Update administration.rst

* Update administration.rst

* Update doc/source/getting-started/administration.rst

Co-authored-by: Revathy Venugopal <[email protected]>

* Update doc/source/getting-started/administration.rst

* Update doc/source/getting-started/administration.rst

---------

Co-authored-by: Revathy Venugopal <[email protected]>
Co-authored-by: Roberto Pastor Muela <[email protected]>

Author: 3 people

doc/source/getting-started/administration.rst

@@ -8,6 +8,12 @@ the public release of a PyAnsys library must go through a project approval proce
 First step
 ----------
 
+.. danger::
+
+    Open-source allows users not only to view the source code, but also to modify, share, and reuse it under specific conditions.
+    It differs from making it public as anyone can use and build upon the content.
+    Do not commit any proprietary information belonging either to Ansys or to external sources. If you are uncertain, consult your manager.
+
 To trigger the public release process, project leads must first complete the
 `open source request form`_.