Add changelog entry

Author: npentrel

docs/dev/reference/changelog.md

@@ -42,6 +42,11 @@ date: "2024-09-18"
 # updated: ""  # When the content was last entirely checked
 ---
 
+{{% changelog color="added" title="Bluetooth provisioning" date="2025-06-02" %}}
+Added support for Bluetooth Low Energy (BLE) provisioning, allowing devices to be set up via Bluetooth connection.
+For an example implementation, see the [Flutter Provisioning package](https://github.com/viamrobotics/viam_flutter_provisioning/).
+{{% /changelog %}}
+
 {{% changelog color="removed" title="Frame tab removed, use Add Frame button" date="2025-05-15" %}}
 
 The frame tab no longer exists in the Viam app.