Code,PullRequest: Filter refs
Code,PullRequest: Filter refs

Display well known refs only to hide some refs.

For example, Refs which starts with "refs/yobi/*" are for internal use
and others which starts with "refs/notes/*" are for Git notes. We don't
want to display them to users.

doortts/forked-for-history,ahb0327/yobi,bloodybear/yona,ahb0327/yobi,brainagenet/yobi,oolso/yobi,doortts/fork-yobi,ihoneymon/yobi,yona-projects/yona,ihoneymon/yobi,naver/yobi,ahb0327/yobi,ihoneymon/yobi,yona-projects/yona,Limseunghwan/oss,yona-projects/yona,doortts/forked-for-history,doortts/forked-for-history,doortts/fork-yobi,bloodybear/yona,brainagenet/yobi,naver/yobi,oolso/yobi,naver/yobi,yona-projects/yona,doortts/fork-yobi,brainagenet/yobi,doortts/fork-yobi,bloodybear/yona,oolso/yobi,Limseunghwan/oss,bloodybear/yona,Limseunghwan/oss