Intersection

Intersection displays a point where to graph elements intersect. It takes in two elements as parameters to use [e, e].

```graph
bounds: [-10, 10, 10, -10]
elements: [
	{type: line, def: [[0,0], [1,1]]},
	{type: line, def: [[-2,0], [1,-4]]},
	{type: intersection, def: [e0, e1]}
]
```