v0.3.4 Improved custom map performace and more

• Improved custom map performance
• Some weapon balancing
• Weapons are now sighted in
• New main menu song (thanks Venti)
• Added the S.M.O.R.T. gun (thanks smort/littletimmy)

• Fixed a server list bug
• Fixed vehicle damage hitboxes being solid to bullets
• Fixed default_no_grabing on other clients for custom maps (thanks The_Friendly_Spy)
• Slight improvements to vehicle visuals (thanks smort/littletimmy)
• Made only the back wheels brake when using the handbrake

Just a small update that improves the performance of custom maps and includes a couple fixes/changes.

Join the discord if you would like to contribute or see if anybody wants to play https://discord.gg/GGHqzG7Ppn