ci: add codeowners

[goncalo-frade-iohk]

Overview

add code owners

Fixes #

Checklist

My PR contains...

• No code changes (changes to documentation, CI, metadata, etc.)
• Bug fixes (non-breaking change which fixes an issue)
• Improvements (misc. changes to existing features)
• Features (non-breaking change which adds functionality)

My changes...

• are breaking changes
• are not breaking changes
• If yes to above: I have updated the documentation accordingly

Documentation

• My changes do not require a change to the project documentation
• My changes require a change to the project documentation
• If yes to above: I have updated the documentation accordingly

Tests

• My changes can not or do not need to be tested
• My changes can and should be tested by unit and/or integration tests
• If yes to above: I have added tests to cover my changes
• If yes to above: I have taken care to cover edge cases in my tests

[atala-dev]

Code Coverage

Total Project Coverage	25.29%

[github-actions]

Unit Test Results

67 tests  ±0   63 ✅ ±0   2s ⏱️ -1s
20 suites ±0    4 💤 ±0 
20 files   ±0    0 ❌ ±0 

Results for commit 899d860. ± Comparison against base commit 0bd7485.