* WIP Add pool query endpoints

* Add endpoint functionality for query pool by pool coin denom

* fix for #391

* change endpoint of pool query by pool_coin_denom

* add endpoint for query pool by reserve_acc

* CLI denomination and reserve acc queries added

* Add flags for query pool by pool-coin-denom or reserve-acc

* Add testcase, docs for new endpoint

* Fix typo and resolve lint issue

Co-authored-by: lukerhoads <[email protected]>