feat: add `get_current_chain_point` function to fetch chain point information

[falcucci]

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  • [ ] Update README file (if relevant)
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  fixes https://github.com/input-output-hk/mithril/issues/1589

[falcucci]

@jpraynaud thanks! I'll leave this as draft until we have pallas released, ping you up when I bump the version.

[ch1bo]

@jpraynaud thanks! I'll leave this as draft until we have pallas released, ping you up when I bump the version.

Which PR would that be upstream?

[falcucci]

@ch1bo from pallas side, that one and about this one, I'll actually remove it from draft right now 🙂