added preview for deep breath in the modal.

index.html

@@ -855,7 +855,8 @@ <h4 class="modal-title custom-modal-title">I'm working on a Deep Breathing Exerc
         </div>
         <div class="modal-body modal-container">
           <p>Buy me <a href="https://buymeacoffee.com/amitmerchant" target="_blank">20 coffees</a>, a collective goal, and I'll release a tool <b>to help you deep breathe</b> (along with rest of the tools) which has helped me a lot to combat my anxiety and de-stress in an effective way.</p>
-          <p>This tool can also be used to unwind yourself after a long writing session.</p>
+          <img src="art/deep-breath-preview.png" alt="Buy me a coffee" style="width: 100%">
+          <p style="margin-top: 10px;">This tool can also be used to unwind yourself after a long writing session.</p>
           <p>Thanks for your support! ❤️</p>
         </div>
         <div class="modal-footer">