chore: include minima theme in Jekyll installation for documentation generation workflow

Author: mokhld

.github/workflows/test-docs-generation.yml

@@ -64,8 +64,8 @@ jobs:
 
       - name: Build Jekyll site
         run: |
-          # Install Jekyll and necessary plugins
-          gem install bundler jekyll jekyll-relative-links
+          # Install Jekyll and necessary plugins (including minima theme)
+          gem install bundler jekyll jekyll-relative-links minima
 
           # Create Jekyll source directory
           mkdir -p site-src