1270 add UI images

[DiogoMendonc-a]

Description

Adds a Image asset that loads images from files using stb_image. Adds a UIImage component that uses an Image asset to store a Texture and draw it to screen. Adds a UINativeAspectRatio that changes an element's size to fit the native aspect ratio.

Checklist

• [x] Self-review changes.
• [x] Evaluate impact on the documentation.
• [ ] Ensure test coverage.
• [x] Write new samples.
• [x] Add entry to the changelog's unreleased section.

[github-actions[bot]]

PR Preview Action v1.4.7 :---: :rocket: Deployed preview to https://GameDevTecnico.github.io/cubos/preview/pr-1276/ on branch gh-pages at 2024-07-07 15:13 UTC

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 145 lines in your changes missing coverage. Please review.

Project coverage is 35.31%. Comparing base (ab6f330) to head (c7e57e1).

Files	Patch %	Lines
engine/src/ui/image/plugin.cpp	0.00%	68 Missing :warning:
engine/src/image/image.cpp	0.00%	26 Missing :warning:
engine/src/ui/canvas/plugin.cpp	0.00%	24 Missing :warning:
engine/src/image/plugin.cpp	0.00%	10 Missing :warning:
engine/src/image/bridge.cpp	0.00%	9 Missing :warning:
engine/src/ui/canvas/native_aspect_ratio.cpp	0.00%	4 Missing :warning:
engine/include/cubos/engine/image/bridge.hpp	0.00%	2 Missing :warning:
engine/src/ui/image/image.cpp	0.00%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1276 +/- ## ========================================== - Coverage 40.78% 35.31% -5.48% ========================================== Files 361 369 +8 Lines 26493 30603 +4110 ========================================== Hits 10806 10806 - Misses 15687 19797 +4110 ```

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