Update index_demo.html
Update index_demo.html

添加liblog网站demo
75team/www.thinkjs.org,75team/www.thinkjs.org,thinkjs/www.thinkjs.org,snadn/www.thinkjs.org,snadn/www.thinkjs.org,thinkjs/www.thinkjs.org,75team/www.thinkjs.org,thinkjs/www.thinkjs.org,snadn/www.thinkjs.org