[WIP] Feat: Kubernetes Metrics

[anirudhRowjee]

Description

This is a WIP Pull Request for the Kubernetes Monitoring feature. I've decided to keep it open as i'm still learning about both Go and K8s, and would appreciate any feedback and direction.

Current Goals

• [ ] Add scaffolding for Metrics Scraper and TUI Sink
• [ ] only display Pod information More to be added as I write more code.

Fixes #128

Type of change

Please delete options that are not relevant.

• [x] New feature (non-breaking change which adds functionality)
• [x] This change requires a documentation update

Checklist:

• [x] I have read the contribution guidelines and followed it as far as possible.
• [x] I have performed a self-review of my own code (if applicable)
• [x] I have commented my code, particularly in hard-to-understand areas (if applicable)
• [x] I have run go fmt on my code (reference)
• [ ] I have made corresponding changes to the documentation (if applicable)
• [ ] My changes generate no new warnings
• [ ] Any dependent and pending changes have been merged and published