Do not track Manifest.toml

docs: Update README.md with development section and demo animation

docs: Update README.md for v0.1.2

chore: Bump version to 0.1.2

chore: Add Manifest.toml and *.mp4 to .gitignore

docs: Update README.md for v0.1.1 release

chore: Bump version to 0.1.1

fix: Implement physically accurate elastic collision response - Fix collision detection and response for different sized balls - Implement exact elastic collision formulas - Improve position correction using mass ratios

Improve collision detection and resolution to prevent ball overlap

Update README.md: Add complete output of bouncing_ball.jl

Update README.md: Add demo section with execution results

Update README.md: Fix installation URL

Update README.md: Add CI badge

Add GitHub Actions workflow

Initial commit