[chronik-client] Add support for getting tx history and utxos by address

Summary:
For many appdev use cases, the dev will need to know tx history or the utxo set for an address. The dev should not have to decode type and hash before calling chronik.

Add an address wrapper which does this.

Test Plan: See D14915 or CI

Reviewers: #bitcoin_abc, PiRK, Fabien

Reviewed By: #bitcoin_abc, PiRK, Fabien

Differential Revision: https://reviews.bitcoinabc.org/D15500