- introduce CLI binary
- move server binary to subdirectory to have a uniformed directory structure
- update goreleaser to build all binaries and create dist packages
- update ignore files accordingly
- 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
