docs: added maintainers wanted in readme

Added maintainers wanted section to README.

README.md

@@ -1,10 +1,13 @@
 vite-plugin-istanbul
 ==========================
+
 [![Codacy grade](https://img.shields.io/codacy/grade/a0c628b128c044269faefc1da74382f7?style=for-the-badge&logo=codacy)](https://www.codacy.com/gh/iFaxity/vite-plugin-istanbul/dashboard)
 [![npm (scoped)](https://img.shields.io/npm/v/vite-plugin-istanbul?style=for-the-badge&logo=npm)](https://npmjs.org/package/vite-plugin-istanbul)
 [![npm bundle size (scoped)](https://img.shields.io/bundlephobia/min/vite-plugin-istanbul?label=Bundle%20size&style=for-the-badge)](https://npmjs.org/package/vite-plugin-istanbul)
 [![npm bundle size (scoped)](https://img.shields.io/bundlephobia/minzip/vite-plugin-istanbul?label=Bundle%20size%20%28gzip%29&style=for-the-badge)](https://npmjs.org/package/vite-plugin-istanbul)
 
+> This project is looking for new maintainers. See CONTRIBUTING.md
+
 A Vite plugin to instrument your code for nyc/istanbul code coverage. In similar way as the Webpack Loader `istanbul-instrumenter-loader`. Only intended for use in development while running tests.
 
 Only versions targeting the latest stable Vite version is actively developed.
@@ -76,6 +79,13 @@ export default {
 };
 ```
 
+Looking for contributors and maintainers
+---------------------------------------------
+
+This project is not under active development, although we will continue to provide support for current users, but you can change that by joining the team (see CONTRIBUTING.md)
+
+If you use this project and would like to develop it further, please introduce yourself on the [Maintainers wanted](https://github.com/iFaxity/vite-plugin-istanbul/issues/341) ticket.
+
 License
 --------------------------