- merge packages to get a more concise layout because plugins are no more and therefore there's not a lot to be exported
- fix test logger
- rework config parsing to be easier and more transparent
- remove unnecessary APIs because dynamic endpoint handling is rather a won't implement
- use `Unmarshal` method of viper
- move config loading, defaulting and stuff to config package
- move serve to an extra command and move keep only global flags in root command
- add startup logic to onInit method in root command
- update mocks
- clean config structs
- adopt changes in plugins
- update default config