v0.28.0

readme updated, BridgeCrew compliance fixes @maximmi (#81)

what

• BridgeCrew compliance checks fix
• readme updated
• default behaviour changed: Public IP for EC2 instance disabled by default
• default behaviour changed: Instance Metadata Service Version 2 forced by default
• default behaviour changed: Encryption of the root block device enabled by default
• default behaviour changed: Encrypt EBS Volume enabled by default

why

• To be able to position our modules as standards compliant
• stay in sync with code
• To comply BridgeCrew check

references

• https://docs.bridgecrew.io/docs/public_12
• https://docs.bridgecrew.io/docs/general_13
• https://docs.bridgecrew.io/docs/bc_aws_general_31
• https://docs.bridgecrew.io/docs/general_3-encrypt-eps-volume