Added tors images.

README.md

@@ -28,3 +28,17 @@ ls | grep "v*.zip" | cut -d'-' -f1 | sort -u
 ```
 
 It should show you all volume numbers with `v` prefix.
+
+## External Images
+
+By default all external images E.G. which have `src` that starts with `http` are stripped from the final book.
+However, we can fetch those using `--fetch-images` argument.
+
+### Rate limits
+
+In case if you want to avoid being rate limited, then start tor with provided torrc.
+
+```
+tor -f torrc &
+python main.py -i books/20818--lord-of-the-mysteries -c ~/cover.jpg --fetch-images --tor-ports 9000,9001,9002,9003,9004
+```