aws lambda response w/ cors enabled for serverless

lambda-response.ts

export function lambdaResponse (body: any, statusCode = 200): any {
  return {
    body: JSON.stringify(body),
    headers: {
      'Access-Control-Allow-Credentials': true,
      'Access-Control-Allow-Headers': '*',
      'Access-Control-Allow-Origin': '*'
    },
    statusCode,
    isBase64Encoded: false
  }
}