Add tutorial video to skill up page
Add tutorial video to skill up page

rdsathene/SchoolIdolAPI,dburr/SchoolIdolAPI,dburr/SchoolIdolAPI,dburr/SchoolIdolAPI,SchoolIdolTomodachi/SchoolIdolAPI,SchoolIdolTomodachi/SchoolIdolAPI,SchoolIdolTomodachi/SchoolIdolAPI,rdsathene/SchoolIdolAPI,rdsathene/SchoolIdolAPI