Add Brno linux admin course 2024

Signed-off-by: ejegrova <[email protected]>

Author: ejegrova

courses.yml

@@ -472,3 +472,6 @@ lessons:
 2024/snake-brno-jaro:
   url: https://github.com/encukou/naucse-python
   branch: compiled/snake-2024
+2024/brno-linuxadmin-jaro:
+  url: https://github.com/ejegrova/linuxadmin
+  branch: compiled