Add Chinese translation of "gmail_email_and_facebook_logins"#369

harsha509 merged 6 commits intoSeleniumHQ:masterSeleniumHQ/seleniumhq.github.io:masterfrom

alaahong:feature/gmail_email_and_facebook_logins.zh-cn.mdalaahong/seleniumhq.github.io:feature/gmail_email_and_facebook_logins.zh-cn.mdCopy head branch name to clipboard