perf: reduce build size + add next-secure-headers

next.config.js

@@ -1,11 +1,35 @@
 const nextPWA = require('next-pwa')
 const nextTranslate = require('next-translate')
+const { createSecureHeaders } = require('next-secure-headers')
 
+/** @type {import("next").NextConfig} */
 module.exports = nextTranslate(
   nextPWA({
     pwa: {
       disable: process.env.NODE_ENV !== 'production',
       dest: 'public'
+    },
+    async headers() {
+      return [
+        {
+          source: '/:path*',
+          headers: createSecureHeaders({
+            contentSecurityPolicy: {
+              directives: {
+                defaultSrc: ["'self'"],
+                scriptSrc: ["'self'", "'unsafe-eval'", "'unsafe-inline'"],
+                styleSrc: ["'self'", "'unsafe-inline'"],
+                imgSrc: ['*', 'data:', 'blob:'],
+                mediaSrc: "'none'",
+                connectSrc: '*',
+                objectSrc: "'none'",
+                fontSrc: "'self'",
+                baseURI: "'none'"
+              }
+            }
+          })
+        }
+      ]
     }
   })
 )