chore: add notice to readme

Author: zikani03

README.md

@@ -1,6 +1,8 @@
-# openIMIS Frontend Claim reference module
-
+# openIMIS Frontend Claim/ MedicalPricelist reference module
 This repository holds the files of the openIMIS Frontend Claim reference module.
+
+> NOTE: This branch contains development version of this module based on Vite. Please use the `release/26.04` branch if you intend to fix issues via Pull Requests for the [current release](https://openimis.atlassian.net/wiki/spaces/OP/pages/4653678593/Sources+Release+2026-04) of openIMIS. The migration to vite is scheduled to conclude by end of June 2026.
+
 It is dedicated to be deployed as a module of [openimis-fe_js](https://github.com/openimis/openimis-fe_js).
 
 [![License: AGPL v3](https://img.shields.io/badge/License-AGPL%20v3-blue.svg)](https://www.gnu.org/licenses/agpl-3.0)