#413 Add external_plugin_service proto back to the idl Pull request opened by pingsutw TL;DR Add external_plugin_service proto back to the idl and mark it as deprecated. Add agent message to

flyteidl/admin/agent

and rename it (TaskCreateRequest -> CreateTaskRequest), because TaskCreateRequest already exists in the task.proto Type ☐ Bug Fix ☐ Feature ☐ Plugin Are all requirements met? ☐ Code completed ☐ Smoke tested ☐ Unit tests added ☐ Code documentation added ☐ Any pending items have an associated Issue Complete description ^^^ Tracking Issue NA Follow-up issue NA flyteorg/flyteidl ✅ All checks have passed 13/13 successful checks