Fix formatting in OpenQASM export module

- Applied mix format to ensure code style compliance
- Split long lines in case statement per Elixir formatter conventions
- Split function parameter lists for better readability

Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <[email protected]>

Release v0.3.0 - Runtime Backend Selection & Draw Module Refactoring

Major Features:
✨ Runtime backend selection via :backend option
♻️  Draw module refactored into 5 focused sub-modules

Highlights:
- Specify backends at runtime without compile-time config
- Use different backends for different circuits
- 100% backward compatible
- All 557 tests pass
- Passes mix format --check-formatted
- Passes mix credo --strict

Full changelog: https://github.com/richarc/qx/blob/main/CHANGELOG.md#030---2025-12-21

pipeline fixes and version 0.2.5 corrected

Fix CI: remove incompatible mix_audit, use hex.audit for security checks

v0.2.3: Fix Nx.Defn compilation errors

Release v0.2.2: Fix compilation error

- Add nx and complex to extra_applications
- Resolves Nx.Defn compilation error when using Hex package

Critical bug fix for v0.2.1 Hex.pm release.

Release v0.2.1: Hex.pm publication as qx_sim

- Initial Hex.pm release under qx_sim package name
- 20+ quantum gates, circuit & calculation modes
- Comprehensive visualization (circuit diagrams, Bloch sphere)
- EXLA/EMLX acceleration support
- 557 tests passing

See CHANGELOG.md for full details.

Release v0.2.0 - Quantum Computing Simulator