feat: Show latest sync stats

[jcstein]

Similar to https://github.com/distractedm1nd/da-tui

• [ ] [example] item: description
• [x] sampled chain head: WIP
• [x] network head: WIP
• [x] head of catchup: WIP
• [ ] syncer height:
• [ ] syncer progress:
• [ ] incoming headers:
• [ ] workers:
• [ ] peers:
• [ ] banned peers:

[jcstein]

[suggestion] make the “running” part expose some metrics like current height, network, # of peers, etc. and have some kind of update like the logs, e.g. “block #12245 has successfully been sampled!”