Add typescript type declaration

[leiserfg]

No description provided.

[leonardovilarinho]

Hi @leiserfg

I no understand your question, you can explain it?

[deepak-nulu]

A TypeScript declaration file describes the types of an existing JavaScript codebase to TypeScript. This allows one to use a JavaScript library in a TypeScript program without having to treat all types in the library as type any.

https://devblogs.microsoft.com/typescript/writing-dts-files-for-types/