Added bar values on hover and default grid view

[dhruva2000]

Changes

• Added values to bars
• Added grid lines
• Added padding to the left and right
• Centered the bottom option bar

Why (resolves #168)

• Visually discern the values that are being rearranged and better gauge how it's shifting different values
• Add padding on the left and right of the window to increase visibility of bars on the left and also allow text values on the right

How

• Merged commits from the previous pull request to add a drawGridlines function
• Changed the bar class to contain a value that displays itself on hover (only if numBars <= 75)
• Modified default view to show only 50 bars
• Removed hardcoded spacing within each of the SlideBox, TextBox and DropdownBox

Testing

Nil

Screenshots

Screen.Recording.2023-12-05.at.15.01.02.mov