Update README.md

Author: lion7

README.md

@@ -1,9 +1,13 @@
 # Caddy DHCP module
 
 This is a Caddy App module that starts a DHCP server.
+
 The handler modules are basically a rewritten version of the plugins of https://github.com/coredhcp/coredhcp/.
 Kudos to the CoreDHCP team for doing the heavy lifting.
 
+Configuration of this server is very similar to how Caddy's HTTP server is configured.
+Note that there is no adapter yet for a Caddyfile, so JSON is currently the only configuration method.
+
 ## Installation
 
 Build with xcaddy: