Initial commit of nimbus-cli server for iOS devices

[jhugman]

Fixes EXP-3615.

Pull Request checklist

• Breaking changes: This PR follows our breaking change policy
  • This PR follows the breaking change policy:
    • This PR has no breaking API changes, or
    • There are corresponding PRs for our consumer applications that resolve the breaking changes and have been approved
• Quality: This PR builds and tests run cleanly
  • Note:
    • For changes that need extra cross-platform testing, consider adding [ci full] to the PR title.
    • If this pull request includes a breaking change, consider cutting a new release after merging.
• Tests: This PR includes thorough tests or an explanation of why it does not
• Changelog: This PR includes a changelog entry in CHANGELOG.md or an explanation of why it does not need one
  • Any breaking changes to Swift or Kotlin binding APIs are noted explicitly
• Dependencies: This PR follows our dependency management guidelines
  • Any new dependencies are accompanied by a summary of the due dilligence applied in selecting them.

Branch builds: add [firefox-android: branch-name] to the PR title.

[codecov-commenter]

Codecov Report

Patch coverage: 95.65% and project coverage change: -52.77% ⚠️

Comparison is base (48e15d0) 89.86% compared to head (e0f0e06) 37.09%.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #5751       +/-   ##
===========================================
- Coverage   89.86%   37.09%   -52.77%     
===========================================
  Files           1      330      +329     
  Lines         148    33115    +32967     
===========================================
+ Hits          133    12285    +12152     
- Misses         15    20830    +20815     

Files Changed	Coverage Δ
components/support/nimbus-cli/src/config.rs	73.52% <ø> (ø)
components/support/nimbus-cli/src/main.rs	87.56% <85.71%> (ø)
components/support/nimbus-cli/src/cli.rs	86.74% <100.00%> (ø)
...mponents/support/nimbus-cli/src/output/deeplink.rs	96.66% <100.00%> (ø)

... and 326 files with indirect coverage changes

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[jeddai]

I don't have any code comments and it seems to work well, 🚢