add documention workflow

docs/docker/requirements.txt

@@ -0,0 +1,17 @@
+# ------------------------------------------------------------------
+# MkDocs runtime dependencies for the docs Docker image
+# ------------------------------------------------------------------
+
+# Core: theme (provides mkdocs itself as a transitive dep)
+mkdocs-material==9.7.1
+
+# pymdownx.* extensions used in mkdocs.yml:
+#   arithmatex, highlight, superfences, tabbed, details, blocks.caption
+# (also a hard dep of mkdocs-material, pinned here for reproducibility)
+pymdown-extensions>=10.0
+
+# Markdown math rendering support (arithmatex generic mode)
+# JS side is loaded via CDN (polyfill.io + MathJax), no extra Python pkg needed
+
+# Optional: PDF export plugin (exporter: block, currently commented out in mkdocs.yml)
+mkdocs-exporter