chore(docs): fix the survey format

tfhe/docs/README.md

@@ -61,4 +61,8 @@ Collaborate with us to advance the FHE spaces and drive innovation together.
 
 ***
 
-We value your feedback! [Take a 5-question developer survey](https://www.zama.ai/developer-survey) to improve the TFHE-rs library and the documentation and help other developers use FHE.
+{% hint style="success" %}
+**Zama 5-Question Developer Survey**
+
+We want to hear from you! Take 1 minute to share your thoughts and helping us enhance our documentation and libraries. **👉** [**Click here**](https://www.zama.ai/developer-survey) to participate.
+{% endhint %}