allow for optional port/address binding configuration

.gitignore

@@ -1,5 +1,6 @@
 www/data
 www/site
 www/src/output
+srv/srv_config.hy
 **/__pycache__
 **/log

srv/main.hy

@@ -7,7 +7,10 @@
 
 (require hyrule.control [defmain])
 
-(setv [ADDRESS PORT] ["127.0.0.1" 5000])
+(try
+  (import srv-config [ADDRESS PORT])
+  (except [ModuleNotFoundError]
+    (setv [ADDRESS PORT] ["127.0.0.1" 5000])))
 
 (defmain []
   (let [socket (socket AF_INET SOCK_STREAM)]