Feat/avatar (#130)
* feat(avatar): basic scope of avatar
* feat(avatar): add letter in avatar
* feat(avatar): add fontSize to typography
* feat(avatar): status without icon ok, avatar_person ok
* feat(avatar): add status in every sizes
* feat(avatar): status check ok
* feat(status): status with all icons ok
* fix(avatar): fix avatar image
* feat(avatar): add proptypes
* feat(avatar stories): add avatar stories
* refactor(avatar): add useMemo
* feat(avatar): refactor props and add controls
* refactor(avatar): use styled-system on status and NonAvatar
* feat(status avatar): stroke in icon
adicionando stroke nos icons, porém é necessário mudar a borda
* fix(avatar): fix stroke and statusBorder
