feat(status): Add snapshot progress RPC

[akaladarshi]

Summary of changes

Changes introduced in this pull request:

• Create an Appcontext in daemon to hold common objects
• Create SnapshotTracket to track the snapshot progress
• Expose a RPC API Filecoin.SyncStatus which reports the snapshot download progress

Reference issue to close (if applicable)

Closes: #4929

Other information and links

Change checklist

• I have performed a self-review of my own code,
• I have made corresponding changes to the documentation. All new code adheres to the team's documentation standards,
• I have added tests that prove my fix is effective or that my feature works (if possible),
• I have made sure the CHANGELOG is up-to-date. All user-facing changes should be reflected in this document.

[akaladarshi]

@LesnyRumcajs @elmattic Please 🙏 can any one of give it a review.

This PR is not fully ready yet (naming, logging changes and need to remove extra command), just wanted to get some opinions on this, so I can proceed further.

Edit: To review only the snapshot progress tracker take a look at the last two commits

[LesnyRumcajs]

I'll let @hanabi1224 or @lemmih take a look; I don't have the capacity currently.