Register the `ballerina-platform/openapi-tools` code generator tool to repository

[lnash94]

Hi Team, We are currently developing an OpenAPI tool for the Ballerina language which is an open-source, cloud-native programming language specifically designed to simplify integration development for enterprise applications. Our tool has main 3 features

1. Generate Ballerina client stub for the given openAPI specification(v2, v3).
2. Generate Ballerina service skeleton for the given openAPI specification(v2, v3)
3. Generate OpenAPI specification(v3) for the given Ballerina service

Tool Properties

• Display name: Ballerina OpenAPI tool
• Description: The Ballerina OpenAPI tool enables the generation of Ballerina client and service skeleton from provided OpenAPI specifications (v2, v3) and facilitates the creation of OpenAPI v3 specifications for given Ballerina services.
• Repository: https://github.com/ballerina-platform/openapi-tools
• Homepage: https://ballerina.io/learn/openapi-tool/

OpenAPI Versions

• 3.1: true
• 3.0: true
• 2.0: true

[lnash94]

Hi team,

May I know how I can register the tool under the category 'Code Generator`?