docs: updates readme with an example mov

readme.md

@@ -45,6 +45,20 @@ Yet another pomodoro timer (yes, really) – but this one's your accountability
   - Finds useful patterns
 
 
+## See it in Action
+
+<div align="center">
+  <a href="https://www.youtube.com/watch?v=UVKKza3Isu0" target="_blank">
+    <img 
+      src="https://img.youtube.com/vi/UVKKza3Isu0/maxresdefault.jpg" 
+      alt="Tomatick Demo" 
+      style="width:700px;"/>
+  </a>
+</div>
+
+▶️ Watch a quick demo of Tomatick in action, to help get you started.
+
+
 ## Getting Started
 
 ### Prerequisites