add note about minimum required version of git installed (go-gitea#16433)

techknowlogick · AbdulrhmnGhanem · commit e044f373eded · 2021-08-10T17:29:50.000+02:00
diff --git a/docs/content/doc/usage/git-lfs-support.md b/docs/content/doc/usage/git-lfs-support.md
@@ -24,3 +24,5 @@ LFS_START_SERVER = true
 ; Where your lfs files reside, default is data/lfs.
 LFS_CONTENT_PATH = /home/gitea/data/lfs
 ```
+
+**Note**: LFS server support needs at least Git v2.1.2 installed on the server
