Update README.md

README.md

@@ -77,6 +77,12 @@ func main() {
 }
 ```
 
+TODO
+----
+
+- Implement low-pass filtering before downscaling to prevent moiré patterns in the resulting image
+- Minimize calls to image.Image.At(): It's pretty slow but inevitable as it keeps the code generic
+
 License
 -------