docker + datenhaltung refreshed

docs/Makefile

@@ -0,0 +1,14 @@
+SPHINXBUILD   ?= sphinx-build
+SOURCEDIR      = .
+BUILDDIR       = _build
+
+.PHONY: help html clean
+
+help:
+	@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)"
+
+html:
+	@$(SPHINXBUILD) -M html "$(SOURCEDIR)" "$(BUILDDIR)"
+
+clean:
+	rm -rf $(BUILDDIR)