use typed actors (#12)

* initial typed actor impl
* fix sending response on ask

src/main/resources/reference.conf

@@ -54,12 +54,6 @@ me.arcanis.ffxivbis {
     port = 8000
     # hostname to use in docs, if not set host:port will be used
     #hostname = "127.0.0.1:8000"
-
-    # rate limits
-    limits {
-      intetval = 1m
-      max-count = 60
-    }
   }
 
   default-dispatcher {