ThingsBoard PE K8S scripts for version 3.5.1

The ThingsBoard platform version is set to 3.5.1

What's Changed

• fix "tb-js-executor" image name typo by @tomsaleeba in #60
• Edge LoadBalancer services for GCP, AWS, Azure k8s deployments by @volodymyr-babak in #64

New Contributors

• @tomsaleeba made their first contribution in #60

Full Changelog: v3.5...v3.5.1