Update README.md

Author: felixhammerl

README.md

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 # IMAP Handler
 
+## HELP WANTED
+
+Felix is not actively maintaining this library anymore. But this is the only IMAP client for JS that I am aware of, so I feel this library still has its value. Please let me know if you're interested in helping out, either via email or open an issue about that.
+
+The work that's on the horizon is:
+
+* Adding features as per requests
+* Stay up to date with developments in the IMAP protocol
+* Maintenance of the other related emailjs libraries
+* Maintenance and update of [emailjs.org](https://emailjs.org)
+
 [![Greenkeeper badge](https://badges.greenkeeper.io/emailjs/emailjs-imap-handler.svg)](https://greenkeeper.io/) [![Build Status](https://travis-ci.org/emailjs/emailjs-imap-handler.png?branch=master)](https://travis-ci.org/emailjs/emailjs-imap-handler) [![JavaScript Style Guide](https://img.shields.io/badge/code_style-standard-brightgreen.svg)](https://standardjs.com)  [![ES6+](https://camo.githubusercontent.com/567e52200713e0f0c05a5238d91e1d096292b338/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f65732d362b2d627269676874677265656e2e737667)](https://kangax.github.io/compat-table/es6/) [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 
 Parses and compiles IMAP commands.