feat: add comprehensive negative embeddings support (SD 1.5, SDXL, Pony)
- Add 3 new embedding categories to models_civitai.yaml:
- embeddings_sd15: 6 embeddings (BadDream, UnrealisticDream, badhandv4, EasyNegative, FastNegativeV2, BadNegAnatomyV1-neg)
- embeddings_sdxl: 1 embedding (BadX v1.1)
- embeddings_pony: 2 embeddings (zPDXL3, zPDXLxxx)
- Total storage: ~1.1 MB (9 embeddings)
- Add comprehensive embeddings documentation to NSFW README
- Include usage examples, compatibility notes, and syntax guide
- Document embedding weights and recommended combinations
Sebastian Krüger
5770563d9a