chore: add Nix flake-based development environment

Co-authored-by: Kumpelinus <kumpelinus@jat.de>

- Add Nix flake and lockfile for reproducible development environments
- Document Nix-based setup in `docs/nix-development.md`
- Add `.envrc` for direnv integration and update `.gitignore` for Nix/direnv artifacts
- Reference Nix setup in CONTRIBUTING.md
This commit is contained in:
Copilot
2025-09-13 20:54:50 +02:00
committed by nitnelave
parent 59dee0115d
commit fe063272bf
6 changed files with 340 additions and 1 deletions
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use flake