🔧 New graphics option + minor improvements for 0.6.4

[h2]⚙️New patch for 0.6.4 deployed[/h2][p]⭐️ = community feedback[/p][p][/p][h3]Changes[/h3]

• [p]⭐️ added motion blur and speed line toggle to settings[/p]
• [p]fixed floating grass in tutorial[/p]
• [p]fixed a bug when choosing part for pit stop shop[/p]
• [p]fixed floating tires in one chunk[/p]