code: function buildVpc(cidrBlock = '10.0.0.0/16', { name = 'VPC' } = {}) {
    return {
      [name]: {
        Type: 'AWS::EC2::VPC',
        Properties: {
          CidrBlock: cidrBlock,
          EnableDnsSupport: true,
          EnableDnsHostnames: true,
          InstanceTenancy: 'default',
          Tags: [
            {
              Key: 'Name',
              Value: {
                Ref: 'AWS::StackName',
              },
            },
          ],
        },
      },
    };
  }
docs: Build a VPC
  
  @param {String} cidrBlock
  @param {Object} params
  @return {Object}