Add sample images with one-click denoising UI

Fix: rebuild model architecture and load weights only to bypass Keras deserialization

Fix: use tf-keras 2.16 for Keras 2.x compatibility with saved .h5 model

Fix: pin tensorflow-cpu==2.13.0 to match saved Keras 2.x model format

Fix short_description length in README

Deploy Flask CNN Autoencoder image denoiser app

initial commit