FINERACT-1222: Add Swagger tags for User Administration

[elicsmit]

Description

Added missing Swagger API documentation tags and operation summaries for the User Administration functional area. This is part of the task FINERACT-1222 to improve overall documentation coverage in the project.

Checklist

Please make sure these boxes are checked before submitting your pull request - thanks!

• Write the commit message as per our guidelines
• Acknowledge that we will not review PRs that are not passing the build ("green") - it is your responsibility to get a proposed PR to pass the build, not primarily the project's maintainers.
• Create/update unit or integration tests for verifying the changes made.
• Follow our coding conventions.
• Add required Swagger annotation and update API documentation at fineract-provider/src/main/resources/static/legacy-docs/apiLive.htm with details of any API changes
• This PR must not be a "code dump". Large changes can be made in a branch, with assistance. Ask for help on the developer mailing list.

[elicsmit]

@adamsaghy, could you please approve and run the CI/CD tests? Thanks!

[elicsmit]

@adamsaghy The 'api-compatibility-check' fails because I added proper Swagger tags to Password, Permissions, Roles, and Users resources. This moved the operations out of DefaultApi, exactly as requested in FINERACT-1222. Please review. Thanks!