- introduce new endpoints module
- introduce Endpoint and EndpointManager
- introduce new Logging abstraction API to allow proper mocking
- add error return value to Start and Shutdown of endpoints
- add mocks of some internals to allow easier testing
- add generate target to take care of all code generation
- add systemd service
- add default file
- improve logging to see what kind of errors might occur
- ship multiple prepared config files and replace original one with a symlink
- fix current working directory getter
* supports HTTP
* support TLS interception e.g. for HTTPS
* support CA generation via cli
* first draft of plugin API
* support commands from plugins
* includes Dockerfile
* includes basic configuration
