link NERVE-vs-HEART comparisons

README.md

@@ -213,6 +213,11 @@ Rule of thumb: **HEART for maximum quality, NERVE for maximum practicality.**
 Both export to dynamic ONNX; NERVE additionally converts to ncnn cleanly
 because it has no attention ops.
 
+Side-by-side comparisons on the same real inputs (`input | bicubic | both
+release models | both OTF GAN models`), with 1:1 crops: `examples/realphoto_nerve_vs_heart_compare.png`,
+`examples/realphoto_nerve_vs_heart_1to1.png`, and the `noisy_*` versions.
+
+
 ---
 
 ## Repository layout