Update 04_INT/imgs/rungeff.png, 04_INT/imgs/Runge.png,...

Update 04_INT/imgs/rungeff.png, 04_INT/imgs/Runge.png, 04_INT/imgs/Basispolynome.png, 04_INT/imgs/Rungef.png, 04_INT/imgs/Piecewise_Interpolation.png, 04_INT/imgs/Kubisch.png, 04_INT/imgs/linear60.mp4, 04_INT/imgs/lagrange60.mp4, 04_INT/imgs/cubic_splines60.mp4, 04_INT/imgs/tween1.jpeg, 04_INT/imgs/tween2.jpeg, 04_INT/imgs/bayer_array.png, 04_INT/imgs/bayer_profile.png, 04_INT/imgs/Bayer_pattern.png