add customFields to InitializrConfiguration

[JoarVarpe]

The customFields feature in Spring Initializr empowers users to define additional metadata beyond the standard options, offering a high degree of flexibility and adaptability. This feature allows organizations to configure values unique to their specific environments—such as default project configurations, organizational dependencies, version control requirements, deployment targets, and other custom options—thereby enabling projects generated by Initializr to seamlessly align with their internal standards and practices.

With customFields, organizations can dynamically add new metadata properties without the need to alter the core configuration, avoiding the overhead of modifying the base metadata structure whenever new requirements arise. This flexibility extends Spring Initializr’s usability, making it more responsive to evolving business needs and diverse project types. For instance, organizations can use customFields to incorporate information specific to internal workflows, compliance protocols, testing guidelines, or infrastructure requirements, injecting tailored configurations directly into newly generated projects.

By streamlining custom configuration management, customFields enhances Initializr’s adaptability and ensures it can support a broader range of use cases—providing value to organizations that rely on Initializr to maintain consistent, standardized, and easily configurable project setups across development teams.

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