Protocol metrics with deployment scripts

[iamsahu]

Description

An upgradeable protocol metrics contract for getting exchange rate

Notice

• [x] Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• [x] Have you assigned this PR to yourself?
• [x] Have you added at least 1 reviewer?
• [ ] Have you updated the official documentation?
• [ ] Have you added sufficient documentation in your code?
• [x] Have you added relevant tests to the official test suite?

Pull Request Type

• [ ] 💫 New Feature (Breaking Change)
• [x] 💫 New Feature (Non-breaking Change)
• [ ] 🛠️ Bug fix (Non-breaking Change: Fixes an issue)
• [ ] 🕹️ Chore (Non-breaking Change: Doc updates, pkg upgrades, typos, etc..)

Testing

• [x] Have you tested this code with the official test suite?
• [ ] Have you tested this code manually?