chore(core): add mixpanel track (#6202)

packages/frontend/core/package.json

@@ -68,6 +68,7 @@
     "lodash-es": "^4.17.21",
     "lottie-react": "^2.4.0",
     "lottie-web": "^5.12.2",
+    "mixpanel-browser": "^2.49.0",
     "nanoid": "^5.0.6",
     "next-themes": "^0.3.0",
     "react": "18.2.0",
@@ -97,6 +98,7 @@
     "@types/bytes": "^3.1.4",
     "@types/image-blob-reduce": "^4.1.4",
     "@types/lodash-es": "^4.17.12",
+    "@types/mixpanel-browser": "^2.49.0",
     "@types/uuid": "^9.0.8",
     "@vanilla-extract/css": "^1.14.1",
     "express": "^4.18.2",