Add user research to README (#158)

Author: fofr

README.md

@@ -1,3 +1,7 @@
+> **Important**
+> [Help us make Replicate better by taking part in user research](https://forms.gle/qUVQ84mjiqzwzSb48)<br>
+> If you take part in an interview, we'll give you $100 of Replicate credits for your time.
+
 # Replicate Node.js client
 
 A Node.js client for [Replicate](https://replicate.com).