* fix PostMeltRequest and /checkfees to GET
* POST /check -> GET /check
* fix GetCheckSpendableResponse
* rename models
* make format
* revert GET
* bump version to 0.9
* skip nostr test
* adjust tokenv2 and make it backwards compatible
* fix dict to list
* use pydantic object and not the dtoken
* make format
* fix typo in _meltrequest_include_fields
* reorder functions
* fixes and tests working
* bump version to 0.8.3