Add email

docs/colosseum_bottom.md

@@ -12,3 +12,4 @@ By using our service, you agree to these Terms of Use and accept that the Servic
 
 Please direct general questions and issues related to the Colosseum to our GitHub repository's [discussion board](https://github.com/ml-energy/leaderboard/discussions).
 You can find the ML.ENERGY initiative members in [our homepage](https://ml.energy#members).
+If you need direct communication, please email [email protected].

docs/leaderboard.md

@@ -119,3 +119,9 @@ Please direct inquiries/reports of potential violation to Jae-Won Chung.
 ## Acknowledgements
 
 We thank [Chameleon Cloud](https://www.chameleoncloud.org/) and [CloudLab](https://cloudlab.us/) for the GPU nodes.
+
+## Contact
+
+Please direct general questions and issues related to the leaderboard to our GitHub repository's [discussion board](https://github.com/ml-energy/leaderboard/discussions).
+You can find the ML.ENERGY initiative members in [our homepage](https://ml.energy#members).
+If you need direct communication, please email [email protected].