#575 Implement GetFlyteKitMetrics endpoint Pull request opened by Yicheng-Lu-llll TL;DR This is part of Flytekit Metrics Exploration. This PR Implements GetFlyteKitMetrics endpoint(also highlighted in green): • Download flytekit spans for a particular node from remote storage. • Send flytekit spans to console. Checks /api/v1/metrics/node_executions/{id.execution_id.project}/{id.execution_id.domain}/{id.execution_id.name}/{id.node_id} Flytekit Metrics Exploration includes: • flytekit: flyteorg/flytekit#1683 • flyteplugins: flyteorg/flyteplugins#361 • flyteidl: flyteorg/flyteidl#415 • flytepropeller: flyteorg/flytepropeller#577 • flyteadmin: #575 flyteorg/flyteadmin ✅ All checks have passed 2/2 successful checks