approxSSIMate v0.1.0 “Cardiff”

Initial research-preview release prepared for QoMEX 2026.

This release introduces the main approxSSIMate calibration workflow:

• compute a source-dependent .k file from a reference image
• estimate SSIM from one or more MSE values
• estimate SSIM from one or more distorted images
• include the QoMEX 2026 poster and updated project documentation

What's Changed

• Clean up k command handling by @luctrudeau in #1
• Add ssim command for k files by @luctrudeau in #2
• Enhance SSIM command to support multiple MSE values by @luctrudeau in #3
• Add QOMEX 2026 poster PDF to documentation by @luctrudeau in #5
• Update README.md to enhance installation and usage instructions by @luctrudeau in #6
• Changelog by @luctrudeau in #7

Full Changelog: https://github.com/luctrudeau/approxSSIMate/commits/v0.1.0