Support count

[suzuki-shunsuke]

https://www.terraform.io/docs/language/meta-arguments/count.html

• address
• index

        {
          "address": "null_resource.zoo[0]",
          "mode": "managed",
          "type": "null_resource",
          "name": "zoo",
          "index": 0,
          "provider_name": "registry.terraform.io/hashicorp/null",
          "schema_version": 0,
          "values": {
            "id": "8547511708962815552",
            "triggers": null
          }
        },
        {
          "address": "null_resource.zoo[1]",
          "mode": "managed",
          "type": "null_resource",
          "name": "zoo",
          "index": 1,
          "provider_name": "registry.terraform.io/hashicorp/null",
          "schema_version": 0,
          "values": {
            "id": "1214694925498336816",
            "triggers": null
          }
        }

[suzuki-shunsuke]

With tfmigrator v0.2.0, Terraform Configuration using count isn't read because the resource address doesn't match.