add back serve favicon
add back serve favicon

IRlyDontKnow/sylius-shop,Ryan-PEK/tbz-mock,Ryan-PEK/tbz-mock,valentinvieriu/visual-hacker-news,valentinvieriu/visual-hacker-news,keisei77/vue-hackernews-2.0,IRlyDontKnow/sylius-shop,keisei77/vue-hackernews-2.0