docs: Rewrite watch.md in English
docs: Rewrite watch.md in English

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