add note that nowblinkie does not web host

readme.md

@@ -3,6 +3,10 @@
 generate dynamic blinkies to use on your website,
 using the output of arbitrary commands.
 
+nowblinkie does not host a web server,
+you must use a separate webserver to host your blinkies,
+such as nginx or caddy.
+
 ## usage
 
 1. install requirements: `pip install -r requirements.txt`