add openwrt

hosts/www/caldav-export.py

@@ -85,10 +85,9 @@ def main():
     combined.add("prodid", "-//Combined calendar//")
     combined.add("version", "2.0")
 
+    username = config["username"]
+    password = config["password"]
     for entry in config["calendars"]:
-        username = entry["username"]
-        password = entry["password"]
-
         cal = export_calendar(
             entry["url"],
             username,