Add TypeDefinition(TypeScript support)

[mitsuruog]

FYI @oklas

I wrote the TypeDefinition for your project. and now we can use that as npm module.

npm install @types/react-breadcrumbs-dynamic

let me know if it has any problem. 👍

please close it after reading.

[oklas]

Thank you for contribution. 👍 I mentioned how to install in doc. Short ts example with custom BreadcrumbsItemProps will be good.

[FriOne]

Typings do not contain withBreadcrumbsItem