Corrected caddy caching for caddy v2

caddy/Caddyfile

@@ -4,16 +4,15 @@
 }
 
 (site) {
+    @cachedFiles {
+      path *.webp *.webm *.ico *.js *.css
+    }
+    header @cachedFiles Cache-Control "public, max-age=1814400, must-revalidate"
+
     @landing {
         path / /contact* /about*
-        cache {
-          ttl 86400s
-        }
     }
     handle /_app/* {
-        cache {
-          ttl 86400s
-        }
         reverse_proxy site:3000
     }
     handle @landing {
@@ -25,9 +24,6 @@
         }
     }
     handle /repo* {
-        cache {
-          ttl 86400s
-        }
         uri strip_prefix /repo
         reverse_proxy repo-placeholder:80
     }