feat: new library Trig functions

[excalibot]

Trig functions created using excalidraw's handwritten font. The (x) is included as a separate object so it may be easily replaced

Submitted by @samsoeder

Items: Arc cot, Cot squared, Cot, Arc Csc, Csc squared, Csc, Arc Sec, Sec squared, Sec, Arc Tan, Tan squared, Tan, Arc Cos, Cos squared, Cos, Arc Sin, Sin squared, Sin

Installation link