Fix rate limiting syntax in Caddyfile

- Simplified rate limiting syntax to use 30r/m and 5r/m format
- Fixed matcher syntax for submission rate limiting
- Should resolve 'wrong argument count' error in Caddy
- Compatible with caddy-ratelimit plugin syntax

scripts/Caddyfile

@@ -51,25 +51,14 @@ yourdomain.com {
     }
     
     # Rate limiting for API endpoints (requires caddy-ratelimit plugin)
-    rate_limit {
-        zone api {
-            key {remote_host}
-            events 30
-            window 1m
-        }
-        zone submit {
-            key {remote_host}
-            events 5
-            window 1m
-        }
-    }
-    
-    # Apply rate limits to specific paths
+    # General API rate limiting: 30 requests per minute
     @api path /api/*
-    rate_limit @api api
+    rate_limit @api 30r/m
     
-    @submit path /api/locations method POST
-    rate_limit @submit submit
+    # Submission rate limiting: 5 requests per minute
+    @submit path /api/locations
+    @submit method POST
+    rate_limit @submit 5r/m
 }
 
 # Redirect www to non-www (with HTTPS)