Color Changer, scaling+moving, new indicator

[mallorymallory]

Interface: Scaled down base chart item size ~.5 hotkey keybinds for scaling and moving canvas based on mouse movement.

• hold shift + move mouse to "click&drag"
• hold space+move mouse to scale chart vertically + horizontally

  controls are inverted and any changes to the chart resets scaling oop :+1:

new function for colour changing chart and indicator colours new menu items for color/indisettings and new indicators

Indicators: New indicator: stochastic little cleanup, commented code and unused library

Settings: added functions for chart color, update for new indi

[mallorymallory]

:)