Add Heatmap to serie

Signed-off-by: Marcel Roomer <marcel@roomer.tv>
json test

Signed-off-by: Marcel Roomer <marcel@roomer.tv>
Added Images & Intersection JS demo file

Signed-off-by: Marcel Roomer <marcel@roomer.tv>
2e oplevering, grotendeels functioneel

Signed-off-by: Marcel Roomer <marcel@roomer.tv>
.idea/* toegevoegd aan gitignore
.idea/* toegevoegd aan gitignore
idea settings