[GPTEvaluator] add video link

Evaluator/TA/ai_evaluator/resources/GPTEvaluator.md

@@ -5,8 +5,20 @@ Evaluates between -1 to 1 according to ChatGPT's prediction of the selected data
 Learn more about ChatGPT trading strategies from our 
 [Trading with ChatGPT blog article](https://www.octobot.cloud/en/blog/trading-using-chat-gpt?utm_source=octobot&utm_medium=dk&utm_campaign=regular_open_source_content&utm_content=GPTEvaluator).
 
+<div class="text-center">
+    <div>
+
+    <iframe width="560" height="315" src="https://www.youtube.com/embed/P23oiE8gW4Y?si=6p4a25VOx74DB2Kh" 
+    title="Build your own Smart DCA strategy" frameborder="0" allow="accelerometer; autoplay; 
+    clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
+
+
+    </div>
+    Example of a trading strategy using ChatGPT and the ChatGPTEvaluator
+</div>
+
 Any question ? Checkout our [ChatGPT guide](https://www.octobot.cloud/en/guides/octobot-interfaces/chatgpt?utm_source=octobot&utm_medium=dk&utm_campaign=regular_open_source_content&utm_content=GPTEvaluator) to configure your OctoBot 
-to use ChatGPT. 
+to use ChatGPT.
 
 Note: this evaluator can only be used in backtesting for markets where historical ChatGPT data are available.
 Find the full list of supported historical markets on our [ChatGPT page](https://www.octobot.cloud/features/chatgpt-trading?utm_source=octobot&utm_medium=dk&utm_campaign=regular_open_source_content&utm_content=GPTEvaluator).