Add test release note for v1.0.4 to verify release process after zeno…

…do.json removal

Add CHANGELOG.md for version history and updates

Update README and velocity_calculation.py to enhance parameter defini…

…tions and add optional exclusions for body parts in velocity plots

Add badges for GitHub release and GPLv3 license to README

Add .zenodo.json for Zenodo integration and metadata for DeepLabCut A…

…nalysis Toolbox