Steganographie colored Image with lsb
to use this image change the image file for hid_pic and newImage
variable bit determine how much bit will it store the image
we take the strongest bit from the secret and put them in the weakest bits in source
we create an empty array with size of image and loop inside the source image and take the number of bits from the weakest and put them in highsest bits in the new array and then we show the result