Add LSP settings example for Zed editor (#14894)

## Summary

Add Zed settings examples to in addition to NeoVim and VSCode.

<img width="373" alt="Screenshot 2024-12-11 at 9 54 57"
src="https://github.com/user-attachments/assets/2f00cd8b-b23e-4ecb-8a0d-732ec275ee6b"
/>

## Test Plan

[*] Tested locally. No errors. Looks fine to me.

Author: notpeter