refactor: Optimize traversal browser data logic

[moonD4rk]

Proposed changes

• Refactor package names and imports for better code organization
• Replace filepath.walk with filepath.walkdir
• Modify browserdata data struct

Refactor package names and imports for better code organization

Checklist

• [x] Pull request is created against the dev branch
• [ ] All checks passed (lint, unit, build tests etc.) with my changes
• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] I have added necessary documentation (if appropriate)