List contact email for organizers

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Change-Id: If218191e0b1d6912112a7f3958f91d4291482560
diff --git a/index.md b/index.md
index f18b522..fe76915 100644
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+++ b/index.md
@@ -65,7 +65,7 @@
 ## Team
 
 Organized by Carmen Andoh (Google), Floor Drees (Microsoft), and
-Maciej Wieczorek (Google).
+Maciej Wieczorek (Google).  Contact us: git-inclusion@googlegroups.com.
 
 Supported by: \
 Google OSPO https://opensource.google/ \