add simple config for migration

Merge pull request #7 from kiviok/6-add-db-constraints

add db constraints and fix tests

Merge pull request #5 from kiviok/refine-crud

Запрос на слияние 'refine-crud' (#3) из refine-crud в main

add tests and come back accessors))

remove unused service accessors + add customer service ops

create all routes for service ops

add tests and come back accessors))

remove unused service accessors + add customer service ops

create all routes for service ops

Запрос на слияние 'refine-crud' (#2) из refine-crud в main

some refining in account ops

Merge pull request #3 from kiviok/add-zio-test

Merge pull request #2 from kiviok/add-zio-test

some refining in account ops

Merge pull request #3 from kiviok/add-zio-test

Запрос на слияние 'add-zio-test' (#1) из add-zio-test в main

clean-migrate flyway before starting application server

Add flyway migration class

add getByPassport test and some exploring with `provide()`

add simple test for customer service

clean-migrate flyway before starting application server

Add flyway migration class

add getByPassport test and some exploring with `provide()`

add simple test for customer service