add workflow

ci/mkdocs/Dockerfile

@@ -1,7 +1,10 @@
 FROM python:3.13-slim
 
-WORKDIR /work
+WORKDIR /docs
 
-COPY requirements.txt /tmp/requirements.txt
+RUN pip install --no-cache-dir \
+    mkdocs \
+    mkdocs-material \
+    mkdocs-minify-plugin
 
-RUN pip install --no-cache-dir -r /tmp/requirements.txt
+ENTRYPOINT ["mkdocs"]