move the settings storage to the user settings frontend

Signed-off-by: Fredrik Adelöw <freben@gmail.com>

.changeset/healthy-oranges-fly.md

@@ -1,9 +1,6 @@
 ---
-'@backstage/core-app-api': minor
 '@backstage/plugin-user-settings-backend': minor
 ---
 
-Add new plugin `@backstage/user-settings-backend` to store user related settings
-in the database. Additionally adding a `UserSettingsStorage` implementation of
-the `StorageApi` to easily use the new plugin as drop-in replacement for the
-`WebStorage`.
+Added new plugin `@backstage/plugin-user-settings-backend` to store user related
+settings in the database.

.changeset/six-apricots-add.md

@@ -0,0 +1,7 @@
+---
+'@backstage/plugin-user-settings': patch
+---
+
+Added a `UserSettingsStorage` implementation of the `StorageApi` for use as
+drop-in replacement for the `WebStorage`, in conjunction with the newly created
+`@backstage/plugin-user-settings-backend`.

.changeset/strange-geckos-know.md

@@ -0,0 +1,5 @@
+---
+'@backstage/core-app-api': patch
+---
+
+Clarify that the `WebStorage` observable returns `JsonValue` items.