add new page promocode

package-lock.json

@@ -28,6 +28,7 @@
         "qr-code-styling": "^1.9.2",
         "react": "^19.0.0",
         "react-dom": "^19.0.0",
+        "react-icons": "^5.5.0",
         "react-markdown": "^10.1.0",
         "react-router-dom": "^7.3.0",
         "remark-gfm": "^4.0.1",
@@ -20357,6 +20358,15 @@
         "react": "^19.2.1"
       }
     },
+    "node_modules/react-icons": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/react-icons/-/react-icons-5.5.0.tgz",
+      "integrity": "sha512-MEFcXdkP3dLo8uumGI5xN3lDFNsRtrjbOEKDLD7yv76v4wpnEq2Lt2qeHaQOr34I/wPN3s3+N08WkQ+CW37Xiw==",
+      "license": "MIT",
+      "peerDependencies": {
+        "react": "*"
+      }
+    },
     "node_modules/react-is": {
       "version": "19.2.1",
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-19.2.1.tgz",