Add multi-language information

[qyh214]

TC DB is multi-language and multi-language information how to return?now for example only return item_template not local_item,maybe we can return all or can be choose

[FrancescoBorzi]

That's not a bad idea, but there are tons of more important things that we are currently missing (like authentication, complete characters and auth routes, add 6.x support, etc...) so I won't give high priority to this.

[darrkz]

I think add multi-language return of TDB is very good for me