Add slides and video links to the "Import Projects ..." talk

Change-Id: I00395222b8a5c0d2a314c86da1d4dd39981c5535

sessions/import-gerrit-projects-across-servers.md

diff --git a/sessions/import-gerrit-projects-across-servers.md b/sessions/import-gerrit-projects-across-servers.md
index f615825..d31de4e 100644
--- a/sessions/import-gerrit-projects-across-servers.md
+++ b/sessions/import-gerrit-projects-across-servers.md
@@ -21,4 +21,7 @@
 is now possible with Gerrit v3.7, describing the challenges and
 limitations of what can be done.
 
+- [Slides](https://storage.googleapis.com/gerrit-talks/summit/2022/Import%20Gerrit%20projects%20across%20servers.pdf)
+- [Video](https://youtu.be/Su1OpJ_s850)
+
 *[Luca Milanesio, GerritForge](../speakers.md#lmilanesio)*