feat: add Leren page for AI-generated learning modules and update Caddyfile configuration for static routing

Caddyfile

@@ -1,7 +1,4 @@
 :80 {
-    root * /srv
-    file_server
-
     encode gzip zstd
 
     header {
@@ -13,16 +10,6 @@
         Permissions-Policy "geolocation=(), microphone=(), camera=()"
     }
 
-    @static {
-        path *.css *.js *.png *.jpg *.jpeg *.gif *.webp *.svg *.woff *.woff2 *.ttf
-    }
-    header @static Cache-Control "public, max-age=31536000, immutable"
-
-    @html {
-        path *.html /
-    }
-    header @html Cache-Control "public, max-age=0, must-revalidate"
-
     handle /api/anthropic/* {
         uri strip_prefix /api/anthropic
         reverse_proxy https://api.anthropic.com {
@@ -30,7 +17,22 @@
         }
     }
 
-    try_files {path} /index.html
+    handle {
+        root * /srv
+
+        @static {
+            path *.css *.js *.png *.jpg *.jpeg *.gif *.webp *.svg *.woff *.woff2 *.ttf
+        }
+        header @static Cache-Control "public, max-age=31536000, immutable"
+
+        @html {
+            path *.html /
+        }
+        header @html Cache-Control "public, max-age=0, must-revalidate"
+
+        try_files {path} /index.html
+        file_server
+    }
 
     handle_errors {
         rewrite * /index.html