[CHORE] Add .lldbinit for debugging

[kevinzwang]

No description provided.

[codspeed-hq]

CodSpeed Performance Report

Merging #2750 will degrade performances by 59.69%

_{Comparing kevin/lldbinit (fb5e52a) with main (61f1e44)}

Summary

❌ 2 regressions
✅ 15 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	main	kevin/lldbinit	Change
❌	test_explain[1 Small File]	6.8 ms	16.8 ms	-59.69%
❌	test_show[100 Small Files]	386.3 ms	693.9 ms	-44.33%

[raunakab]

Haven't tested locally yet, but looks good to me based off of inspection.

LGTM!