Update README

README.md

@@ -9,14 +9,28 @@ Short is a very simple url shortener build in golang using web.go module and red
 Syntax is:
 
 ```shell
-Usage of /short:
+Usage of short:
   -addr string
         Address to listen for connections (default "localhost:8080")
   -domain string
         Domain to write to the URLs (default "localhost")
+  -path string
+        Path to the base URL (https://localhost/PATH/... remember to append a / at the end
+  -proto string
+        proto to the base URL (HTTPS://localhost/path/... no real https here just to set the url (for like a proxy offloading https (default "https")
   -redis string
         ip/hostname of the redis server to connect (default "localhost:6379")
-  -v    prints current roxy version
+  -v    prints current version
+
 ```
 
-Includes a Dockerfile to for a standalone docker image
+Includes a Dockerfile to for a standalone docker image.
+
+To shorten a URL just post on /, you will get a reply with the shortened URL
+
+```shell
+curl -X POST -d "url=http://google.com" http://localhost:8080/
+URL shortened at: https://localhost:8080/9mbIcOwsVP
+```
+
+Try it at https://thebarrens.nu/short/