Add image meta data model v1

[Donnype]

Changes

See minvws/nl-kat-boefjes#61 for context.

Issue ticket number and link

Please paste a link to the issue on the project board here. Alternatively, if there was no submitted issue prior to this PR, you may add this PR to the project board directly.

Proof

Please paste some screenshots or other proof of your (working) change here. If you feel that this is not required (e.g. this PR is trivial), note that here.

Extra instructions for others

This section may be skipped or omitted. Uncomment and answer the below questions if relevant.

Checklist for author(s):

• This PR comes from a feature or hotfix branch, in line with our git branching strategy;
• This PR is "bite-sized" and only focuses on a single issue, problem, or feature;
• If a non-trivial PR: This PR is properly linked to the project board (either directly or via an issue);
• If a non-trivial PR: I have added screenshots or some other proof that my code does what it is supposed to do;
• I am not reinventing the wheel: there is no high-quality library that already has this feature;
• I have changed the example .env files if I added, removed, or changed any config options, and I have informed others that they need to modify their .env files if required;
• I have performed a self-review of my own code;
• I have commented my code, particularly in hard-to-understand areas;
• I have made corresponding changes to the documentation, if necessary;
• I have written unit, integration, and end-to-end tests for the change that I made;

## Checklist for functional reviewer(s):
- [ ] If a non-trivial PR: This PR is properly linked to an issue on the project board;
- [ ] I have checked out this branch, and successfully ran `make kat`;
- [ ] I have ran `make test-rf` and all end-to-end Robot Framework tests pass;
- [ ] I confirmed that the PR's advertised `feature` or `hotfix` works as intended;
- [ ] I confirmed that there are no unintended functional regressions in this branch;

### What works:
* _bullet point + screenshot (if useful) per tested functionality_

### What doesn't work:
* _bullet point + screenshot (if useful) per tested functionality_

### Bug or feature?:
* _bullet point + screenshot (if useful) if it is unclear whether something is a bug or an intended feature._

## Checklist for code reviewer(s):
- [ ] The code passes the CI tests and linters;
- [ ] The code does not bypass authentication or security mechanisms;
- [ ] The code does not introduce any dependency on a library that has not been properly vetted;
- [ ] The code does not violate Model-View-Template and our other architectural principles;
- [ ] The code contains docstrings, comments, and documentation where needed;
- [ ] The code prioritizes readability over performance where appropriate;
- [ ] The code conforms to our agreed coding standards.

[github-actions]

File	Coverage
All files	66%	❌
bits/definitions.py	64%	❌
bits/runner.py	56%	❌
bits/https_availability/https_availability.py	93%	✅
bits/oois_in_headers/oois_in_headers.py	72%	❌
octopoes/api/api.py	89%	✅
octopoes/api/router.py	56%	❌
octopoes/core/app.py	69%	❌
octopoes/core/service.py	59%	❌
octopoes/events/events.py	96%	✅
octopoes/events/manager.py	65%	❌
octopoes/models/__init__.py	80%	✅
octopoes/models/datetime.py	66%	❌
octopoes/models/exception.py	83%	✅
octopoes/models/origin.py	70%	❌
octopoes/models/path.py	99%	✅
octopoes/models/types.py	95%	✅
octopoes/models/ooi/certificate.py	95%	✅
octopoes/models/ooi/findings.py	93%	✅
octopoes/models/ooi/network.py	97%	✅
octopoes/models/ooi/service.py	91%	✅
octopoes/models/ooi/software.py	71%	❌
octopoes/models/ooi/web.py	81%	✅
octopoes/models/ooi/dns/records.py	93%	✅
octopoes/models/ooi/dns/zone.py	82%	✅
octopoes/repositories/ooi_repository.py	40%	❌
octopoes/repositories/origin_parameter_repository.py	52%	❌
octopoes/repositories/origin_repository.py	52%	❌
octopoes/repositories/scan_profile_repository.py	45%	❌
octopoes/xtdb/client.py	39%	❌
octopoes/xtdb/query_builder.py	69%	❌
octopoes/xtdb/related_field_generator.py	73%	❌
tests/conftest.py	91%	✅

Minimum allowed coverage is 75%

Generated by 🐒 cobertura-action against 3bc4679

[Darwinkel]

PR works as advertised in conjunction with minvws/nl-kat-boefjes#61.