Fix lint: use IterableCallbackReturn — wrap forEach body in braces

nginx/xamxam.conf

@@ -46,6 +46,7 @@ server {
         text/css
         text/javascript
         application/javascript
+        text/javascript
         application/json
         application/xml
         text/xml
@@ -243,6 +244,16 @@ server {
         access_log off;
     }
 
+    # JavaScript modules (.mjs) — explicit MIME type for ES modules
+    # Some nginx installs lack the mjs entry in mime.types
+    location ~* \.mjs$ {
+        types { }
+        default_type text/javascript;
+        expires 30d;
+        add_header Cache-Control "public, immutable";
+        access_log off;
+    }
+
     # PDF files (thesis documents)
     location ~* \.pdf$ {
         expires 7d;