Merge pull request #48 from alihanayaz/latex-rec

Add recommended LaTeX resource link

Author: waciumawanjohi

README.md

@@ -104,7 +104,7 @@ Most people's views of mathematics are destroyed in school by focusing on memori
 Courses | Duration | Effort | Prerequisites
 :-- | :--: | :--: | :--:
 [Introduction to Mathematical Thinking](https://www.coursera.org/learn/mathematical-thinking) | 10 weeks | 4 hours/week | none
-[LaTeX](Learn LaTeX in 30 minutes) | 1 week | 30 minutes/week | none
+[LaTeX](https://www.overleaf.com/learn/latex/Learn_LaTeX_in_30_minutes) | 1 week | 30 minutes/week | none
 
 ### Calculus 
 Calculus is the study of change (differential calculus) and accumulation of quantities (integral calculus). As the cornerstone of geometry and physics, it serves as the foundation for understanding many natural phenomena and plays an essential role in modern technology, scientific discovery, and many fields, including engineering, economics, and medicine.