Update README.md

Author: hmans

packages/three-elements/README.md

@@ -1,3 +1,13 @@
+## New Maintainer Wanted!
+
+### I am no longer working on this library (since I am also no longer using it, unfortunately.) If you're interested in taking over, please contact me at [email protected]. Thanks!
+
+----
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+----
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+----
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