ThingsBoard CE K8S scripts for version 3.5.1

The ThingsBoard platform version is set to 3.5.1

What's Changed

• Add tb-edge-loadbalancer by @pon0marev in #75
• Kafka manager with web UI to monitor and maintain Kafka's clusters by @smatvienko-tb in #26
• Edge LoadBalancer services for GCP, AWS, Azure k8s deployments by @volodymyr-babak in #93

New Contributors

• @smatvienko-tb made their first contribution in #26

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