SmapiAuthTokens that expire, with sonos refreshAuthToken functionality (#81)

Bearer token to Authorization header for stream requests
Versioned SMAPI Tokens

src/link_codes.ts

@@ -2,7 +2,7 @@ import { v4 as uuid } from 'uuid';
 
 
 export type Association = {
-  authToken: string
+  serviceToken: string
   userId: string
   nickname: string  
 }