docs(readme): add 'Breaking Changes' section

[EchoEllet]

Description

Add Breaking Changes section in README.md.

Type of Change

• [ ] ✨ New feature: Adds new functionality without breaking existing features.
• [ ] 🛠️ Bug fix: Resolves an issue without altering current behavior.
• [ ] 🧹 Code refactor: Code restructuring that does not affect behavior.
• [ ] ❌ Breaking change: Alters existing functionality and requires updates.
• [ ] 🧪 Tests: Adds new tests or modifies existing tests.
• [x] 📝 Documentation: Updates or additions to documentation.
• [ ] 🗑️ Chore: Routine tasks, or maintenance.
• [ ] ✅ Build configuration change: Changes to build or deploy processes.

[EchoEllet]

@CatHood0 @singerdmx Let me know if you want to add any additional notes or introduce any changes.