feat: support multiple origin

[xshot9011]

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What 😗

Added

• Add output.cloudfront_distribution_arn
• Add variables var.name_override, var.origin, var.origin_group and var.origin_access_identities
• Add locals variables local.empty_prefix, local.empty_environment, local.empty_name and local.raise_empty_name
• Add attributes dynamic "origin" for all origin in aws_cloudfront_distribution.distribution

Changed

• Update outputs
  • Rename output.cf_domain_name to output.cloudfront_distribution_domain_name
  • Rename output.cf_s3_iam_arn to cloudfront_origin_access_identities
• Update local local.resource_name to local.name
• Update variable description for var.prefix, var.environment and var.name
• Update resource aws_cloudfront_distribution.distribution code format
• Update attribute default_cache_behavior; compress, min_ttl, default_ttl, max_ttl in aws_cloudfront_distribution.distribution

Removed

• Remove files dns.tf, examples/complete/acm.tf, examples/complete/s3.tf, iam.tf and locals.tf
• Remove variables var.lambda_function_association, var.s3_origin, var.origin_read_timeout, var.custom_header_token, secondary_origin_config and var.origin_config
• Remove resource aws_cloudfront_origin_access_identity.cloudfront_s3_policy
• Remove custom_origin_config, dynamic "origin" (s3), dynamic "ordered_cache_behavior" (s3) attribute in aws_cloudfront_distribution.distribution

Why 🥺

• Remove complexity of module
• Support naming override for some f customer

[artpasut]

lgtm