add pip install mkdocs-embed-external-markdown

.gitlab-ci.yml

@@ -16,6 +16,7 @@ before_script:
   - pip install mkdocs-minify-plugin
   - pip install mkdocs-macros-plugin
   - pip install mkdocs-include-markdown-plugin
+  - pip install mkdocs-embed-external-markdown
 
 test:
   stage: test