EmaceArt Swampia - Visual Update & Demo Scene

Changelog – Visual Update & Demo Scene

- Project migrated to Unity 2022.3 LTS (2022.3.6)
- Added a new demo scene with reference lighting matching the visuals presented on the Asset Store
- Introduced a refined color grading / post-processing profile
- Added fog configuration used in the showcase visuals
- Updated skybox used for promotional renders and previews
- Included a configured camera setup for the demo scene
- Improved overall visual consistency and readability of the environment
- URP compatibility verified and used as the reference pipeline