templates: add `it-IT` version of home page (#6558)
templates: add `it-IT` version of home page (#6558)

Co-authored-by: ᴜɴᴋɴᴡᴏɴ <51e69892ab49df85c6230ccc57f8e1d1606caccc@gogs.io>
chriswatt/gogs,gogits/gogs,chriswatt/gogs,gogits/gogs,chriswatt/gogs,gogits/gogs