[+] Add paper CodePatchLLM

[dsshay]

Thank you for submitting a PR! Please replace this text with a high-level description of the PR. Also ensure the following for new publications:

• [+] Files for new publications are in the _publications folder.
• [+] The name of each file is lastnameYEARfirstword.markdown, e.g. smith2019neural for a Smith et al. paper title "A neural approach to the Universe".
• [+] Consider using tags that already exist. We aim to avoid variations or introducing new ones when possible. This is to help searching across this literature review.