add animated background

package-lock.json

@@ -18,6 +18,7 @@
       "devDependencies": {
         "@eslint/js": "^9.25.0",
         "@heroicons/react": "^2.2.0",
+        "@types/node": "^22.15.29",
         "@types/react": "^19.1.2",
         "@types/react-dom": "^19.1.2",
         "@types/react-router-dom": "^5.3.3",
@@ -1675,6 +1676,16 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@types/node": {
+      "version": "22.15.29",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.15.29.tgz",
+      "integrity": "sha512-LNdjOkUDlU1RZb8e1kOIUpN1qQUlzGkEtbVNo53vbrwDg5om6oduhm4SiUaPW5ASTXhAiP0jInWG8Qx9fVlOeQ==",
+      "devOptional": true,
+      "license": "MIT",
+      "dependencies": {
+        "undici-types": "~6.21.0"
+      }
+    },
     "node_modules/@types/react": {
       "version": "19.1.6",
       "resolved": "https://registry.npmjs.org/@types/react/-/react-19.1.6.tgz",
@@ -3952,6 +3963,13 @@
         "typescript": ">=4.8.4 <5.9.0"
       }
     },
+    "node_modules/undici-types": {
+      "version": "6.21.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
+      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
+      "devOptional": true,
+      "license": "MIT"
+    },
     "node_modules/update-browserslist-db": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.1.3.tgz",