add exports field to all package (#5693)

Author: Feiyang1

.changeset/proud-moose-taste.md

@@ -0,0 +1,31 @@
+---
+'@firebase/analytics': patch
+'@firebase/analytics-compat': patch
+'@firebase/app': patch
+'@firebase/app-check': patch
+'@firebase/app-check-compat': patch
+'@firebase/app-compat': patch
+'@firebase/auth': patch
+'@firebase/auth-compat': patch
+'@firebase/component': patch
+'@firebase/database': patch
+'@firebase/database-compat': patch
+'@firebase/firestore-compat': patch
+'@firebase/functions': patch
+'@firebase/functions-compat': patch
+'@firebase/installations': patch
+'@firebase/installations-compat': patch
+'@firebase/logger': patch
+'@firebase/messaging': patch
+'@firebase/messaging-compat': patch
+'@firebase/performance': patch
+'@firebase/performance-compat': patch
+'@firebase/remote-config': patch
+'@firebase/remote-config-compat': patch
+'@firebase/storage': patch
+'@firebase/storage-compat': patch
+'@firebase/util': patch
+'@firebase/webchannel-wrapper': patch
+---
+
+Add exports field to all packages