Stand on mowers v1.0

These mods were originally created in FS19 by Mrboomnastic. The stand-on mower now includes three brands in total: Wright, John Deere, and SCAG. Each mower features working blade animations, and the chute can be lowered on the stand-on. Enjoy, and stay tuned for more updates on the stand-on mower! If you encounter any issues, please report them in the comments. Thank you.