Adds script for AWQ-quantizing model

[ru5h16h]

Pull Request Checklist

Reference Issue

ref: https://github.com/castorini/ura-projects/issues/4

Checklist Items

Before submitting your pull request, please review these items:

• [Yes] Have you followed the contributing guidelines?
• [Yes] Have you verified that there are no existing Pull Requests for the same update/change?
• [Yes] Have you updated any relevant documentation or added new tests where needed?

PR Type

What kind of change does this PR introduce?

• [ ] Bugfix
• [ ] Feature
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Documentation content changes
• [ ] Other...
  • Description: Adds model quantization using AWQ