Implement comprehensive code formatting with Biome

- Update Node.js engine requirement from >=10 to >=16
- Add @biomejs/biome as development dependency with strict formatting rules
- Configure Biome with 2-space indents, 140-char lines, single quotes, trailing commas
- Install Lefthook for automated pre-commit formatting hooks
- Add npm format script for manual code formatting
- Format entire codebase (63 files) with consistent styling
- Update changelog for v1.0.0 major release
- All tests pass with formatted code

🤖 Generated with [Claude Code](https://claude.ai/code)

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

Author: cressie176

CHANGELOG.md

@@ -1,5 +1,12 @@
 # Change log for amqplib
 
+## v1.0.0
+- **BREAKING**: Update minimum Node.js requirement to v16
+- Introduce Biome formatter for consistent code formatting
+- Add automated formatting via pre-commit hooks using Lefthook
+- Format entire codebase with standardised formatting rules
+- Add npm format script for manual code formatting
+
 ## v0.10.9
 - Add support for IPv6 urls