AWS VPC + Multi-AZ (icons)

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    { "id":"elb","type":"aws-elb","label":"ALB","x":420,"y":210 },
    { "id":"aza","type":"container","label":"AZ a","x":580,"y":80,"w":230,"h":360,"locked":true },
    { "id":"azb","type":"container","label":"AZ b","x":830,"y":80,"w":230,"h":360,"locked":true },
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    { "id":"ec2b","type":"aws-ec2","label":"App","x":870,"y":140 },
    { "id":"rdsa","type":"aws-rds","label":"RDS-A","x":620,"y":290 },
    { "id":"rdsb","type":"aws-rds","label":"RDS-B","x":870,"y":290 },
    { "id":"s3","type":"aws-s3","label":"Static","x":380,"y":380 }
  ],
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