Add link to types in package.json

[ChrisRu]

This adds a link to the types in the package.json so typescript can find the correct typings, since they're not named index.d.ts.

[coveralls]

Coverage remained the same at 99.123% when pulling 7da601a on ChrisRu:master into ae3c1b1 on mariocasciaro:master.

[coveralls]

Coverage remained the same at 99.123% when pulling 7da601a on ChrisRu:master into ae3c1b1 on mariocasciaro:master.

[coveralls]

Coverage remained the same at 99.123% when pulling 7da601a on ChrisRu:master into ae3c1b1 on mariocasciaro:master.

[coveralls]

Coverage remained the same at 99.123% when pulling 7da601a on ChrisRu:master into ae3c1b1 on mariocasciaro:master.

[coveralls]

Coverage remained the same at 99.123% when pulling 7da601a on ChrisRu:master into ae3c1b1 on mariocasciaro:master.

[mariocasciaro]

Thanks for this!