Change files

Author: protikbiswas100

change/react-native-windows-f8239cea-ea9b-4b37-a006-8ba3ae465fa6.json

@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "adding IntersectionObserver from upstream",
+  "packageName": "react-native-windows",
+  "email": "protikbiswas@microsoft.com",
+  "dependentChangeType": "patch"
+}