chore: adds initial proposal from the backlog working group

[caubut-charter]

What type of PR is this?

Add one of the following kinds:

• subproject management

What this PR does / why we need it:

Copies the proposal from the backlog working group into this repo.

Which issue(s) this PR fixes:

Special notes for reviewers:

Leaving this PR open for at least a couple weeks to gather initial comments and to schedule a first meeting.

Changelog input

Adds initial proposal from the backlog working group.

Additional documentation

[github-actions[bot]]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	2		0	0.03s
✅ OPENAPI	spectral	1		0	3.01s
✅ REPOSITORY	git_diff	yes		no	0.01s
✅ REPOSITORY	secretlint	yes		no	0.73s
✅ YAML	yamllint	1		0	0.69s

See detailed report in MegaLinter reports

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[hdamker]

The "approval" was accidentally done ... I wanted mainly to comment on the security discussion. Please consider https://github.com/camaraproject/NetworkAccessManagement/pull/7#pullrequestreview-2109574414 as a comment. Maybe it is fine to commit the initial content, but with Version: wip and have a separat discussion about the security topics.

[caubut-charter]

Mostly done. Two tasks left:

1. (wip) Finish adding minimal scopes in the security prop to every endpoint.
2. Align on CAMARA terminology, such as replace remaining CPE references with Network Access Management in the description text and review the other terms used in https://github.com/camaraproject/Commonalities/blob/main/documentation/Glossary.md.

Opened https://github.com/camaraproject/NetworkAccessManagement/issues/12 and https://github.com/camaraproject/NetworkAccessManagement/issues/13 as follow up items.

[caubut-charter]

Randy opened https://github.com/camaraproject/NetworkAccessManagement/issues/14 to go over the glossary and remove CPE.

Finished adding sec defs.