v1.535.1

Alternate TGW Component Documentation @milldr (#16)

## what - Add documentation for setting up alternate TGW components

why

• We do not have the public documentation for docs.cloudposse ready yet, but we want to make what we do have available
• These improvements have come up in discussion more than once, so let's push it up

references

• https://github.com/orgs/cloudposse/discussions/31

🤖 Automatic Updates

Update README.md and docs @[cloudposse-releaser[bot]](https://github.com/apps/cloudposse-releaser) (#17)

## what This is an auto-generated PR that updates the README.md and docs

why

To have most recent changes of README.md and doc from origin templates