Add More Options to NavBar

[JacobGrisham]

Slider for controlling the speed

• -50% to -100%

Button group for increasing or decreasing the data set size to the following values

• 10
• 100
• 1000

When you click on the algorithm button

• Set the button to active until stopped or until the visualization is complete
• Upon even-numbered click: Stop algorithm
• Upon odd-numbered click: Resume algorithm