* fix: issue #310
- add ip-addresses for localnet-setup generation
- add localnet-setup folder to keep localnet-setup-artifacts
- map localnet-setup-artifacts to containers
- change start-docker.sh to pick up generated testnet artifacts
* feat: get rid of explicit ip-address-assignments for containers
* feat: get rid of docker-localnet, introduce localnet-build and localnet-show-logstream, fix localnet-unsafe-reset and localnet-clean, add comments
* fix: add --no-cache on docker build, exclude build-directory
