Introduce infix-crypto-types

[mattiaswal]

To only show supported types, simpler when autogenerate web/cli.

Description

Checklist

Tick relevant boxes, this PR is-a or has-a:

• Bugfix
  • Regression tests
  • ChangeLog updates (for next release)
• Feature
  • YANG model change => revision updated?
  • Regression tests added?
  • ChangeLog updates (for next release)
  • Documentation added?
• Test changes
  • Checked in changed Readme.adoc (make test-spec)
  • Added new test to group Readme.adoc and yaml file
• Code style update (formatting, renaming)
• Refactoring (please detail in commit messages)
• Build related changes
• Documentation content changes
  • ChangeLog updated (for major changes)
• Other (please describe):

[troglobit]

lgtm, only an ordering bug in the ChangeLog:

• "YANG type has changed for SSH private/public keys .." vs
• "YANG type for SSH private/public keys has changed .."

[mattiaswal]

lgtm, only an ordering bug in the ChangeLog:

• "YANG type has changed for SSH private/public keys .." vs
• "YANG type for SSH private/public keys has changed .."

I suck on writing, really should run all text through a AI...