release_v1.0.0

What's Changed

• chore: updated the codeowners file by @anupam-sy in #1
• chore: TGB#1 added the pr template by @anupam-sy in #2
• revert: reverted the tf version back to v1.3.6 by @anupam-sy in #3

New Contributors

• @anupam-sy made their first contribution in #1

Full Changelog: https://github.com/anupam-sy/tf-gcp-training-lab/commits/v1.0.0