feat: Swift provider

[thomaspoignant]

Description

Closes issue(s)

Resolve #

Checklist

• [ ] I have tested this code
• [ ] I have added unit test to cover this code
• [ ] I have updated the documentation (README.md and /website/docs)
• [ ] I have followed the contributing guide

[netlify[bot]]

✅ Deploy Preview for go-feature-flag-doc-preview canceled.

Name	Link
🔨 Latest commit	47ad8821394c972aad0581b843bd458aa50985f4
🔍 Latest deploy log	https://app.netlify.com/sites/go-feature-flag-doc-preview/deploys/6685b3156f872c0008130ec4

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 86.47%. Comparing base (93f2ba0) to head (47ad882). Report is 33 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2032      +/-   ##
==========================================
- Coverage   86.96%   86.47%   -0.50%     
==========================================
  Files          98       98              
  Lines        3599     3653      +54     
==========================================
+ Hits         3130     3159      +29     
- Misses        359      378      +19     
- Partials      110      116       +6     

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[sonarqubecloud[bot]]

Quality Gate passed

Issues
20 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[thomaspoignant]

Closing this PR because the code has been moved to https://github.com/go-feature-flag/openfeature-swift-provider/pull/1