* GreenField: Wallet API
* more work
* wip
* rough fiunish of transaction sending api
* Allow to create tx without broadcasting and small fixes
* Refactor Wallet Receive feature ad add greenfield api for address reserve for wallet
* add wallet api client
* add docs
* fix json converter tags
* fixes and add wallet tests
* fix tests
* fix rebase
* fixes
* just pass the tests already
* ugggh
* small cleanup
* revert int support in numeric string converter and make block id as native number in json
* fix LN endpoint
* try fix flaky test
* Revert "try fix flaky test"
This reverts commit 2e0d256325.
* try fix other flaky test
* return proepr error if fee rate could not be fetched
* try fix test again
* reduce fee related logic for wallet api
* try reduce code changes for pr scope
* change auth logic for initial release of wallet api
