add livenew in Makefile

Makefile

@@ -5,14 +5,15 @@
 # from the environment for the first two.
 SPHINXOPTS    ?= -W
 SPHINXBUILD   ?= sphinx-build
+SPHINXAUTOBUILD   ?= sphinx-autobuild
 SOURCEDIR     = source
 BUILDDIR      = build
 
 # Put it first so that "make" without argument is like "make help".
 help:
 	@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
 
-.PHONY: help Makefile deploy
+.PHONY: help Makefile deploy livenew
 
 # Catch-all target: route all unknown targets to Sphinx using the new
 # "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
@@ -22,6 +23,10 @@ help:
 view:
 	make html && firefox build/html/index.html
 
+# http://127.0.0.1:8000
+liveview:
+	@$(SPHINXAUTOBUILD) "$(SOURCEDIR)" "$(BUILDDIR)/html"
+
 deploy:
 	@make clean
 	@make html