Minecart Trains Fork

What's Changed

• feat: add number config of head particle
• feat: add height config for particles
• refactor: adjust and merge configuration
• refactor: reorder code blocks for ParticleManager
• refactor: reorder code blocks for ClientConfigManager
• docs: update README
• chore: update en_us language file

Full Changelog: https://github.com/KSSJW/minecart-trains-fork/compare/2.5.0-alpha.1+26.2...2.5.0-alpha.2+26.2