DOCS: dependency

Signed-off-by: jokob-sk <jokob.sk@gmail.com>

.github/workflows/mkdocs.yml

@@ -25,7 +25,8 @@ jobs:
           pip install \
             mkdocs==1.6.0 \
             mkdocs-material==9.5.21 \
-            mkdocs-github-admonitions-plugin==0.1.1
+            mkdocs-github-admonitions-plugin==0.1.1 \
+            mkdocs-glightbox
 
       - name: Build MkDocs
         run: mkdocs build