Update project_snippets.md
What does this MR do?
This MR fixes a link in project_snippets.md. I just realized when I was reading API document.
Are there points in the code the reviewer needs to double check?
Why was this MR needed?
Screenshots (if relevant)
Does this MR meet the acceptance criteria?
What are the relevant issue numbers?
/cc @axil
Edited by Shinya Maeda