* add service to fetch more connections
* improve error messages
* better errors
* wip
* fix service register
* add working tests
* improve tests
* temp availability
* test availability
* remove availability test
* change error type for coordinator update
* fix missed coverage
* convert from entity service to integration service
* cleanup changes
* add more tests for the service
* add via stations
* bump minor version due to backwards incompatibility
* better coverage of many via station options in unit tests
* fix migration unit test for new minor version 1.3
* switch version bump to major and improve migration test
* fixes
* improve error messages
* use placeholders for strings
* add config flow
* unit tests
* yaml config import flow
* change deprecation period and simply code
* keep name for legacy yaml
- removing the name now would break current implementations
- it will be removed together with the deprectation of yaml config flow
* improve error handling, simpler unique_id, cleanup
* simplify issues for yaml import flow
* improve typing and clean name handling
* streamline unit tests
- happy path + errors
- mock opendata instead of aiohttp
* parametrize unit tests
* improve strings
* add missing aborts
* update coverage ignore
* remove redundant test
* minor clean up of constants
