broken links for AI articles

[dinesh-58]

Hello, seems the 2 articles under AI have broken links like so:

• https://github.com/github.com/Bhupesh-V/til/blob/master/Artificial%20Intelligence/fundamentals-of-llms.md
• https://github.com/github.com/Bhupesh-V/til/blob/master/Artificial%20Intelligence/retrieval-augmented-generative-rag.md