Adds keybinds for the following:

• Increase Volume by 10% (Non-Linear)
• Decrease Volume by 10% (Non-Linear)
• Increase Volume by 5% (Linear)
• Decrease Volume by 5% (Linear)
• Set Volume to 0%
• Set Volume to 3%
• Set Volume to 5%
• Set Volume to 10%
• Set Volume to 15%
• Set Volume to 20%
• Set Volume to 40%
• Set Volume to 60%
• Set Volume to 100%