feat: add rxjs

Author: KatoakDR

package.json

@@ -68,7 +68,8 @@
     "lodash": "^4.17.21",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
-    "react-grid-layout": "^1.4.2"
+    "react-grid-layout": "^1.4.2",
+    "rxjs": "^7.8.1"
   },
   "devDependencies": {
     "@commitlint/cli": "^18.2.0",