[ADD] Optional tags (cn-terraform#9)

Refactor code (cn-terraform#7)

* Refactor code

* Fixing error

feat: Add S3 bucket public access block (cn-terraform#5)

Adding target group ports to outputs (cn-terraform#3)

Updating modules

Fixing typos

Upgrading to Terraform 0.13

Updating count reference

Removing github workflow

Removing provider block