Add "show all" view to documentation

[danielnaab]

Extended Description
As a user, I would like to see all rules with specified filtering criteria, regardless of what the source document is.

Acceptance Criteria

• An "all" assertion grouping is added for each document type

Definition of Done

• Acceptance criteria met
• Unit test coverage of our code > 90% - needs automation story
• Accessibility tests pass - needs automation story
• Automated code quality checks pass
• Security reviewed and reported - check in with Wes on what we could do here
• Reviewed against plain language guidelines
• Design QA passed
• Code must be self-documenting
• No local tech debt
• Documentation updated
• Architectural Decision Record completed as necessary for significant design choices
• PR reviewed & approved
• Source code merged