Update CI/CD workflow, refine README, and enhance RotarySpatialEmbedd…

…ing initialization

- Adjust CI/CD pipeline formatting for clarity.
- Update CITATION.cff version and date-released.
- Refine README to clarify initial_scaling parameter options in RotarySpatialEmbedding.
- Modify setup.cfg and tox.ini for consistent flake8 exclusions.
- Enhance tests for RotarySpatialEmbedding to cover new initial_scaling modes.

Fix version and date-released format in CITATION.cff

Enhance RotarySpatialEmbedding and MultiRes_RoSE_Block: Add TODO for …

…learnable scaling in RotarySpatialEmbedding and improve input handling in MultiRes_RoSE_Block by checking if input is a list.

Refactor RotarySpatialEmbedding and MultiRes_RoSE_TransformerBlock: R…

…ename 'dim' to 'feature_dims' for clarity and consistency; update related tests and imports accordingly.

Update README.md: Correct package name and enhance examples for Rotar…

…ySpatialEmbedding and RoSEMultiHeadCrossAttention

Add 'timm' as an optional dependency for development and testing

Fix frequency_scaling parameter placement in RotarySpatialEmbedding d…

…ocstring and constructor

Refactor RotarySpatialEmbedding to improve dimension calculations and…

… update tests for rotary_ratio validation

Update version in CITATION.cff to 2025.8.14.1942; enhance README with…

… usage examples for RoSEMultiHeadAttention and RotarySpatialEmbedding

Update CITATION.cff version and date; enhance tests for RotarySpatial…

…Embedding initialization and properties