[META] Onboard flow-framework to OS build

[owaiskazi19]

Is your feature request related to a problem?

To do the experimental release of the plugin in 2.12 OS release, plugin needs to be onboarded to the OpenSearch build system.

• Create an issue on build repo to initiate the process - [On-boarding]: opensearch-flow-framework plugin opensearch-build#4209
• [PROPOSAL] Rename repo to flow-framework #168
• Create the build script to generate the artifacts of the plugin. - Added build script to generate artifacts #166
• Onboard the plugin to 2.12 manifest in build repo - Onboarded flow-framework plugin to 2.12 manifest opensearch-build#4229

What solution would you like?

A clear and concise description of what you want to happen.

What alternatives have you considered?

A clear and concise description of any alternative solutions or features you've considered.

Do you have any additional context?

Add any other context or screenshots about the feature request here.

[owaiskazi19]

 maven:
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/maven-metadata.xml.sha512
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/maven-metadata.xml.md5
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/maven-metadata.xml.sha256
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/maven-metadata.xml.sha1
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/maven-metadata.xml
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0-sources.jar.sha512
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0-sources.jar.sha1
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0.pom.sha256
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0-sources.jar.sha256
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0-javadoc.jar.sha256
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0-sources.jar
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0-javadoc.jar.sha512
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0-javadoc.jar
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0-sources.jar.md5
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0.pom.sha1
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0.pom
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0.zip.md5
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0-javadoc.jar.md5
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0.zip.sha256
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0-javadoc.jar.sha1
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0.zip.sha512
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0.zip.sha1
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0.zip
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0.pom.md5
        - maven/org/opensearch/plugin/opensearch-ai-flow-framework/2.12.0.0/opensearch-ai-flow-framework-2.12.0.0.pom.sha512
        ```