new doc

docs/Makefile

@@ -13,6 +13,9 @@ help:
 
 .PHONY: help Makefile
 
+rst:
+	cd $(SOURCEDIR) && sphinx-apidoc -f -o rst ../../csst_dfs_api
+
 # Catch-all target: route all unknown targets to Sphinx using the new
 # "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
 %: Makefile