Add sphinx-autobuild to work locally

Author: humitos

docs/Makefile

@@ -16,4 +16,7 @@ help:
 # Catch-all target: route all unknown targets to Sphinx using the new
 # "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
 %: Makefile
-	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+
+livehtml:
+	sphinx-autobuild -b html --ignore "autoapi/*" --ignore "*#*" --watch "../hoverxref" $(SPHINXOPTS) $(SOURCEDIR) $(BUILDDIR)/html

docs/requirements.txt

@@ -5,3 +5,4 @@ sphinx-tabs==1.1.13
 sphinx-prompt==1.1.0
 sphinx-version-warning==1.1.2
 sphinx-notfound-page==0.4
+sphinx-autobuild==0.7.1