quadtree - Simple quadtree implementation

	Commit message (Collapse)	Author	Age
*	added the quadtree structure defining a quadtree and it's node at the	hanemile	2018-10-30
\| \| \| \|	same time by using recursion.
*	add the containsPoint method that returns true if the given point is	hanemile	2018-10-30
\| \| \| \|	inside of the cell the method is called on.
*	Bounding box adds a structure that information about a single cell in	hanemile	2018-10-30
\| \| \| \|	the quadtree. (Also added some comments)
*	coordinate structure	hanemile	2018-10-30
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*	ide-stuff	hanemile	2018-10-30
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*	Initial commit	emile	2018-10-30