chore: .gitignore: add compile_commands.json & .cache (#568)

## Summary

* **What is the goal of this PR?**
Quality of Life

* **What changes are included?**
Add compile_commands.json & .cache to .gitignore .

Both are use by clangd that can help IDE support.

Run `pio run --target compiledb` to generate `compile_commands.json`.


---

### AI Usage

While CrossPoint doesn't have restrictions on AI tools in contributing,
please be transparent about their usage as it
helps set the right context for reviewers.

Did you use AI tools to help write this code? _**NO**_
This commit is contained in:
Boris Faure 2026-01-27 17:32:33 +01:00 committed by GitHub
parent 8c1c80787a
commit 5894ae5afe
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4
.gitignore vendored
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@ -6,4 +6,6 @@ lib/EpdFont/fontsrc
*.generated.h *.generated.h
.vs .vs
build build
**/__pycache__/ **/__pycache__/
/compile_commands.json
/.cache