updated notes on how to commit sites/ subtree to gh-pages
updated notes on how to commit sites/ subtree to gh-pages

nlesc-sherlock/punchcardjs-demo,nlesc-sherlock/punchcardjs-demo,nlesc-sherlock/punchcardjs-demo,nlesc-sherlock/punchcardjs,nlesc-sherlock/punchcardjs,nlesc-sherlock/punchcardjs