Add authentication and authorization

See merge request !11

Use username from @AuthenticationPrincipal to create, update, delete entries
for names and structures.
Update integration tests.

Note that commit is third step in introducing authentication and authorization.

Note that commit is second step in introducing authentication and authorization.

Add (conditional) authentication and authorization with RBAC (Role Based Access Control).
By default, authentication and authorization is disabled. If enabled, corresponding RBAC
environment variables must also be configured.

Note that commit is first step in introducing authentication and authorization.

Avoid field dependency injection.

Remove use of Serializable interface and serialVersionUID in element classes (DTO).

Remove use of Serializable interface and serialVersionUID in model classes (JPA).

Update notification of names and structures

See merge request !10

Drop table for usernames for notifications as it is no longer used
and replaced by configurable properties for list of email addresses
for notifications.

Update notification of names and structures to not rely on database table
for usernames to which to send notifications.

Gather integration tests in docker and docker.complex packages into docker package.
Update documentation accordingly.

Add Swagger url configuration.
Remove unused configuration.

Update guava version to 33.2.0-jre.
Update spotbugs version to 4.8.5.
Update jacoco, jacoco-maven-plugin version to 0.8.12.
Update testcontaibers version to 1.19.8.

Add use of explicit audit tables

See merge request !9

Contains to-do list for first releases.

Note that commit is fourteenth step in introducing audit tables.

Work in progress.

Note that commit is thirteenth step in introducing audit tables.

Focus on distinguish content in code that is temporary (work in progress, "wip" prefix) and content in code that is permanent.
Content considered temporary to be removed after migration has been done.
Work in progress.

Note that commit is twelfth step in introducing audit tables.

Focus on distinguish content in database that is temporary (work in progress, "wip" prefix) and content in database that is permanent.
Content considered temporary to be removed after migration has been done.
Work in progress.

Note that commit is eleventh step in introducing audit tables.

Focus on clean-up.
Work in progress.

Note that commit is tenth step in introducing audit tables.

Major switch for functionality as non-audit related tables
no longer used for create, update, delete operations.

Focus on services.
Work in progress.

Note that commit is ninth step in introducing audit tables.

Remove latest attribute.

Focus on bean elements.
Work in progress.

Note that commit is eighth step in introducing audit tables.

Focus on validation.
Work in progress.

Note that commit is seventh step in introducing audit tables.

Focus on metrics, verification.
Work in progress.

Note that commit is sixth step in introducing audit tables.

Remove non-audit table functionality.

Focus on notification.
Work in progress.

Note that commit is fifth step in introducing audit tables.

Focus on metrics, verification.
Work in progress.

Note that commit is fourth step in introducing audit tables.

Focus on validation.
Work in progress.

Note that commit is third step in introducing audit tables.

Focus on data models, repositories, services.
Work in progress.

Note that commit is second step in introducing audit tables.

Backend and database to have temporary audit tables and functionality in parallel
with current tables and functionality until the former is fully operational.
Then audit tables and functionality will replace current tables and functionality.

Note that commit is first step in introducing audit tables.

Remove status as query parameter

See merge request !8

Migration script deletes lines of uuid without latest.
Reason is that such entries have never been active and while removing them will delete some part of history,
the benefit is unambiguous content is database. Alternative is deleted entries with statuses
pending, cancelled, rejected which may be ambiguous.

Update verification of data migration accordingly.

Note that commit is sixth step in removing status as query parameter.

Note that commit is fifth step in removing status as query parameter.