maint: Add AUTHORS and CONTRIBUTORS.md (#3360)

* maint: Add AUTHORS and CONTRIBUTORS.md

* maint: name update 1

* maint: name update 2

* maint: name update 3

* maint: name update 4

AUTHORS

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+# This is the list of {project-name}'s significant contributors.
+#
+# This file does not necessarily list everyone who has contributed code.
+#
+# For contributions made under a Corporate CLA, the organization is
+# added to this file.
+#
+# If you have contributed to the repository and want to be added to this file,
+# submit a request.
+#
+#
+ANSYS, Inc.

CONTRIBUTORS.md

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+# Contributors
+
+## Project Lead
+
+* [Sean Pearson](https://github.com/seanpearsonuk)
+
+## Individual Contributors
+
+* [Adam Boutin]([https:](https://github.com/ansaboutin))
+* [Alexander Carvalho](https://github.com/acarvalh-work)
+* [Aseem Jain](https://github.com/ajain-work)
+* [Dan Williams](https://github.com/dnwillia-work)
+* [Harshal Pohekar](https://github.com/hpohekar)
+* [Mainak Kundu](https://github.com/mkundu1)
+* [Prithwish Mukherjee](https://github.com/prmukherj)
+* [Raphael Luciano](https://github.com/raph-luc)