Update readme.md

Author: ^cypher

conferences/conference-2025/readme.md

@@ -74,6 +74,7 @@ FHE.org 2025 gratefully acknowledges the financial support of <i>(in alphabetica
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 <span style="padding-right:10px"><a href="https://leastauthority.com/"><img src="https://github.com/FHE-org/fhe-org.github.io/assets/37557436/3ae60557-35ca-408e-94ba-a8c80da21acb" width="150px"></a></span>
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