Update README with PR and issue acceptance notice

Added a warning about not accepting PRs or new issues during refactoring.

Signed-off-by: 3dg17uk43 <58517400+3dg1luk43@users.noreply.github.com>

Author: 3dg1luk43

README.md

@@ -1,3 +1,6 @@
+> [!WARNING]  
+> **2026/01/29 - CURRENTLY NOT ACCEPTING PRs OR NEW ISSUES**: I'm currently refactoring entire logic of the integration. Your PRs will be rejected. Look into existing Issues and comment on the issue if its applicable, dont create new duplicate Issues.
+
 ![Installs](https://img.shields.io/badge/dynamic/json?color=41BDF5&logo=home-assistant&label=Installations&cacheSeconds=15600&url=https://analytics.home-assistant.io/custom_integrations.json&query=$.ha_washdata.total)
 ![Latest](https://img.shields.io/github/v/release/3dg1luk43/ha_washdata)
 ![Hassfest](https://img.shields.io/github/actions/workflow/status/3dg1luk43/ha_washdata/hassfest.yml?label=hassfest)