#6797 Move the connector proto to the connector folder Pull request opened by pingsutw ## Tracking issue NA ## Why are the changes needed? Put the connector proto in one place ## What changes were proposed in this pull request? Move the connector proto to the connector folder

(kevin) (kevin) ➜  flyte git:(update-connector-idl) tree flyteidl2/connector 
flyteidl2/connector
├── connector.proto
└── service.proto

## How was this patch tested? NA ### Labels Please add one or more of the following labels to categorize your PR: • added: For new features. • changed: For changes in existing functionality. • deprecated: For soon-to-be-removed features. • removed: For features being removed. • fixed: For any bug fixed. • security: In case of vulnerabilities This is important to improve the readability of release notes. ### Setup process ### Screenshots ## Check all the applicable boxes • I updated the documentation accordingly. • All new and existing tests passed. • All commits are signed-off. ## Related PRs ## Docs link flyteorg/flyte