Change documentation layout and expand authentication section.
Change documentation layout and expand authentication section.

MalachiTatum/github,befairyliu/github,firstval/github,anabhilash619/github,wicky-info/github,davengeo/github,yaoxiaoyong/github,joshsoftware/github,cocktail-io/github,peter-murach/github,piotrmurach/github,durai145/github,samphilipd/github