Add project status section

Adds a short section to clarify the current maintenance and stability status of the project.

Author: Galigar

README.md

@@ -143,3 +143,8 @@ For support please join our [Discord](https://discord.gg/buildonbase) post in `
 THE NODE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. We make no guarantees about asset protection or security. Usage is subject to applicable laws and regulations.
 
 For more information, visit [docs.base.org](https://docs.base.org/).
+
+## Project Status
+
+This project is actively maintained. Breaking changes may occur until a stable release is announced.
+