
Adds four new properties to Custom Main Menu's buttons:
- "anchor" : "start" for left justified text, "middle" for centered text, and "end" for right justified text
- "hoverTextOffsetX" : Horizontal text offset for when a button is hovered over
- "hoverTextOffsetY" : Same as above but vertical
- "offsetAnimationFrames": Controls how long it takes for maximum text offset to be reached, lower numbers being faster