More complete color management

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Now one of ten apps in the world that properly support jpeg cmyk.

This makes color management always on. It's required for proper CMYK and should be required for everything anyway. The default profile for CMYK if it's not tagged is US Web Coated SWOP (Cloudinary does this) and that's embedded in cmyk.h.

Every format type (with the subsampling):

• PNG RGBA
• PNG RGB
• PNG GRAYA
• PNG GRAY
• PNG Adam7 RGBA
• PNG Adam7 RGB
• PNG Adam7 GRAYA
• PNG Adam7 GRAY
• JPEG YCbCr
• JPEG RGB
• JPEG GRAY
• JPEG YCCK/CMYK
• WEBP RGBA
• WEBP RGB
• WEBP Lossless RGBA
• WEBP Lossless RGB
• HEIF(AVIF) RGBA
• HEIF(AVIF) RGB
• HEIF(AVIF) GRAYA
• HEIF(AVIF) GRAY
• JXL JPEG YCbCr
• JXL JPEG GRAY - doesn't apply profile, issue in libjxl
• JXL VarDCT RGBA
• JXL VarDCT RGB
• JXL VarDCT GRAYA
• JXL VarDCT GRAY
• JXL Modular RGBA
• JXL Modular RGB
• JXL Modular GRAYA
• JXL Modular GRAY

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For note cmyk.h was generated using xxd -i USWebCoatedSWOP.icc > cmyk.h with USWebCoatedSWOP.zip