2 ways to pass in Google credentials from Service Account info

cred.js

let cred = JSON.parse(Deno.env.get("GOOGLE_APPLICATION_CREDENTIALS"));
// Big Query Style
export let bq = new BigQuery({ projectId, credentials: cred });
// Vertex Style
let vertex_ai = new VertexAI({ project: "kora-id", location: "us-central1", 
                              googleAuthOptions: { credentials: cred } });