docs: Add AI and Data Engineering playbooks to README

Added AI and Data Engineering playbooks with descriptions.

Author: Prajwal-Microsoft

README.md

@@ -197,6 +197,15 @@ Check out similar solution accelerators
 
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+💡 Want to get familiar with Microsoft's AI and Data Engineering best practices? Check out our playbooks to learn more
+
+| Playbook | Description |
+|:---|:---|
+| [AI&nbsp;playbook](https://learn.microsoft.com/en-us/ai/playbook/) | The Artificial Intelligence (AI) Playbook provides enterprise software engineers with solutions, capabilities, and code developed to solve real-world AI problems. |
+| [Data&nbsp;playbook](https://learn.microsoft.com/en-us/data-engineering/playbook/understanding-data-playbook) | The data playbook provides enterprise software engineers with solutions which contain code developed to solve real-world problems. Everything in the playbook is developed with, and validated by, some of Microsoft's largest and most influential customers and partners. |
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