Add current maintainer

Author: Will Kimmerer

README.md

@@ -14,5 +14,9 @@ For functionality still in-progres for v1 mid-late July see the issues and proje
 
 ## Acknowledgements
 Original author: Abhinav Mehndiratta
+
+Current maintainer: William Kimmerer
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 SuiteSparse author: Tim Davis
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 Mentors: Viral B Shah, Miha Zgubic