<google__maps> update departure_time to accept 'now' (DefinitelyTyped#38088)

* adding my name/github link

* updating departure_time to accept 'now'

* removing myself from "definitions by..."

Author: goleary

types/google__maps/index.d.ts

@@ -575,7 +575,7 @@ export interface DirectionsRequest {
      *    This option is only available if the request contains a valid API key, or a valid Google Maps APIs Premium Plan client ID
      *    and signature. The `departure_time` must be set to the current time or some time in the future. It cannot be in the past.
      */
-    departure_time?: Date | number;
+    departure_time?: Date | number | 'now';
     /**
      * Specifies the assumptions to use when calculating time in traffic.
      * This setting affects the value returned in the `duration_in_traffic` field in the response, which contains the predicted time