add gitlab group clone

src/pages/toolbox.md

@@ -1,6 +1,13 @@
 # Toolbox of Software Developer Tricks, etc.
 Useful little things are easy to lose
 
+---
+## GitLab: Clone all repos from a group
+Install the `glab` cli tool first.
+
+```
+GITLAB_HOST=gitlab.example.com glab repo clone --group MyGroup --archived=false --preserve-namespace --paginate
+```
 ---
 ## Docker: "bash" into a docker container
 I often need to inspect docker images.  The following is the command to do this and a break down of the options.