Change the inline code to codeblocks for the new features doc guideline
Change the inline code to codeblocks for the new features doc guideline

[ci skip]

htve/GitlabForChinese,SVArago/gitlabhq,screenpages/gitlabhq,allysonbarros/gitlabhq,dreampet/gitlab,iiet/iiet-git,dplarson/gitlabhq,stoplightio/gitlabhq,htve/GitlabForChinese,daiyu/gitlab-zh,jirutka/gitlabhq,shinexiao/gitlabhq,t-zuehlsdorff/gitlabhq,dreampet/gitlab,daiyu/gitlab-zh,SVArago/gitlabhq,allysonbarros/gitlabhq,jirutka/gitlabhq,shinexiao/gitlabhq,axilleas/gitlabhq,shinexiao/gitlabhq,screenpages/gitlabhq,dplarson/gitlabhq,SVArago/gitlabhq,axilleas/gitlabhq,LUMC/gitlabhq,openwide-java/gitlabhq,openwide-java/gitlabhq,stoplightio/gitlabhq,icedwater/gitlabhq,mmkassem/gitlabhq,allysonbarros/gitlabhq,axilleas/gitlabhq,openwide-java/gitlabhq,daiyu/gitlab-zh,shinexiao/gitlabhq,t-zuehlsdorff/gitlabhq,screenpages/gitlabhq,t-zuehlsdorff/gitlabhq,mmkassem/gitlabhq,iiet/iiet-git,jirutka/gitlabhq,htve/GitlabForChinese,mmkassem/gitlabhq,darkrasid/gitlabhq,iiet/iiet-git,daiyu/gitlab-zh,darkrasid/gitlabhq,iiet/iiet-git,darkrasid/gitlabhq,dplarson/gitlabhq,icedwater/gitlabhq,allysonbarros/gitlabhq,dreampet/gitlab,stoplightio/gitlabhq,LUMC/gitlabhq,mmkassem/gitlabhq,icedwater/gitlabhq,jirutka/gitlabhq,dreampet/gitlab,LUMC/gitlabhq,t-zuehlsdorff/gitlabhq,openwide-java/gitlabhq,axilleas/gitlabhq,stoplightio/gitlabhq,dplarson/gitlabhq,LUMC/gitlabhq,screenpages/gitlabhq,icedwater/gitlabhq,htve/GitlabForChinese,SVArago/gitlabhq,darkrasid/gitlabhq