Introduce EnvironmentAccessible

[Supereg]

Introduce EnvironmentAccessible

♻️ Current situation & Problem

As of right now, it is not easy to access a Component directly within your SwiftUI views. This approach is, e.g., used within SpeziStorage to make its API easy accessible.
We introduce the EnvironmentAccessible protocol that allows a Module to be accessed from the environment just like an Observable. Further, we optimized @Modifier and @Model to allow for later initialization.

⚙️ Release Notes

• Introduce EnvironmentAccessible protocol.
• Allow for delayed initialization of @Modifier and @Model.

📚 Documentation

• Documentation was added.

✅ Testing

New functionality was tested.

📝 Code of Conduct & Contributing Guidelines

By submitting creating this pull request, you agree to follow our Code of Conduct and Contributing Guidelines:

• I agree to follow the Code of Conduct and Contributing Guidelines.

[codecov]

Codecov Report

Merging #89 (c408115) into main (3c0a44e) will decrease coverage by 0.82%.
The diff coverage is 60.61%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #89      +/-   ##
==========================================
- Coverage   95.49%   94.67%   -0.82%     
==========================================
  Files          36       37       +1     
  Lines         665      693      +28     
==========================================
+ Hits          635      656      +21     
- Misses         30       37       +7     

Files	Coverage Δ
...apabilities/Observable/EnvironmentAccessible.swift	100.00% <100.00%> (ø)
...pabilities/ViewModifier/ViewModifierProvider.swift	100.00% <100.00%> (ø)
Sources/Spezi/Spezi/Spezi.swift	95.24% <100.00%> (+0.65%)	⬆️
...ilities/ViewModifier/ModifierPropertyWrapper.swift	68.00% <50.00%> (+14.67%)	⬆️
...Capabilities/Observable/ModelPropertyWrapper.swift	53.58% <41.67%> (-7.53%)	⬇️

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[Supereg]

@PSchmiedmayer feel free to merge, once reviewed. Diff coverage is of due to the error state handling having high impact on the overall little diff

[PSchmiedmayer]

Looks great, thank you.

Would be great if we get an issue in place to improve the Module documentation in general and structure it as discussed in the office 👍