Update README.md

README.md

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   &nbsp;&nbsp; :small_orange_diamond: <a href="https://www.coursera.org/specializations/data-science-python"><code>course</code></a> <b>Applied Data Science with Python Specialization</b> - Gain new insights into your data . Learn to apply data science methods and techniques, and acquire analysis skills. University of Michigan. Coursera.<br>
   &nbsp;&nbsp; :small_orange_diamond: <a href="https://www.coursera.org/specializations/advanced-data-science-ibm"><code>course</code></a> <b>Advanced Data Science with IBM Specialization</b> - Expert in Data Science, Machine Learning and AI. Become an IBM-approved Expert in Data Science, Machine Learning and Artificial Intelligence. Coursera.<br>
   &nbsp;&nbsp; :small_orange_diamond: <a href="https://github.com/microsoft/AI-For-Beginners/tree/main"><code>material</code></a> <b>AI-For-Beginners</b> - 12 Weeks, 24 Lessons, AI for All.<br>
+  &nbsp;&nbsp; :small_orange_diamond: <a href="https://www.youtube.com/watch?v=w8yWXqWQYmU&t=966s&ab_channel=SamsonZhang"><code>material</code></a> <b>Building a neural network from scratch.</b><br>
 </p>
 
 ### Machine Learning & Neural Networks