Update mlpaths_grids.md

Author: clizarraga-UAD7

docs/mlpaths_grids.md

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 We present 12 topics in the data science learning path, providing learning objectives, related skills, subtopics, and references/resources for each. The goal is to give graduate students a structured and comprehensive program to acquire data science expertise, including hands-on experience with real-world open-source tools and libraries.
 
 
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 ```mermaid
 timeline
     title Machine Learning/Artificial Intelligence Learning Paths
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 ```
 
+</p>
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 :construction: :construction: :construction: :construction: