Parallel

Creates a line parallel to a line and goes through a point. Takes in a line for the first parameter and a point for the second [e, [x,y]].

```graph
bounds: [-10, 10, 10, -10]
elements: [
	{type: line, def: [[1,2], [2,4]]},
	{type: parallel, def: [e0, [5,5]]}
]
```