Resolves #154, part of #416. Adds a DurableClient class declaration that the DurableOrchestrationClient class implements, and exports it from the root of the package.
// before
const client = df.getClient(context)
// client. -> no intellisense
// after
const client: DurableClient = df.getClient(context);
// client. -> all the intellisense ✨
Resolves #154, part of #416. Adds a
DurableClientclass declaration that theDurableOrchestrationClientclass implements, and exports it from the root of the package.