add Matlab scripts

scripts/EvaluateAllFractures.m

scripts/Exact2dNorm.m

scripts/LineNorm.m

scripts/LineNormFucntion.m

scripts/NormApproximation.m

scripts/area_on_coarse_point.m

scripts/area_on_face.m

scripts/check_points.m

scripts/combine_faces.m

scripts/divideTriangulation.m

scripts/evaluate_norm.m

scripts/extract_on_line.m

scripts/intersection.m

scripts/intersection_between_inclusive.m

scripts/intersections_of_cells.m