create directory /direct-query to contain async-query-core shadow JAR to the repository with all the necessary Maven metadata including the commit ID.

[ahkcs]

Overview

This workflow automates the process of building and publishing OpenSearch artifacts to a Maven repository. Specifically, it builds the async-query-core shadow JAR and publishes it to the Sonatype snapshots repository under the org.opensearch.direct-query-poc group ID.

Key Operations

Shadow JAR Building and Processing

Maven Repository Publishing

Employs the standard OpenSearch publish-snapshot.sh script to:
Upload the shadow JAR and associated files
Generate and upload Maven metadata files

Downloads the generated Maven metadata XML file
Adds the commit ID to the metadata for improved traceability
Re-uploads the enhanced metadata file

Also publishes the standard plugin ZIP package using the Gradle task: publishPluginZipPublicationToSnapshotsRepository
Output

The workflow publishes the shadow JAR and all required metadata to: https://aws.oss.sonatype.org/content/repositories/snapshots/org/opensearch/direct-query-poc/async-query-core/{VERSION}-SNAPSHOT/

The published JAR can then be used as a dependency in other projects that need the functionality provided by the async-query-core module.

[noCharger]

Let's only publish async-query-core jar, not everything from sql. Also let's create poc version.

[dai-chen]

Could you elaborate what does this PR do? Especially, the "Mirroring" approach in PR description.