fix(scanner): allow having http method as part of the route name

[pi0]

🔗 Linked issue

Related to #1378

❓ Type of change

• 📖 Documentation (updates to the documentation, readme, or JSdoc annotations)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

This change allows having an extra method as part of the file name. The last segment will be still removed as extension so routes/foo.get.get.ts will be mapped to /foo.get but routes/foo.get.ts to /foo (GET) as before.

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.