Merge branch 'marina.popleteeva-master-patch-53802' into 'master'

Update clone URL

See merge request R3/school/git/basic-practice-pages!1

index.md

@@ -15,7 +15,7 @@ First, fork and clone this practice repository.
 Add a remote to the upstream repository:
 ```bash
 $ cd advanced-practice
-$ git remote add upstream ssh://git@git-r3lab-server.uni.lu:8022/R3/school/git/basic-practice-pages.git
+$ git remote add upstream ssh://git@gitlab.lcsb.uni.lu:8022/R3/school/git/basic-practice-pages.git
 $ git fetch
 ```