🔧🔧🔧 Implement alpha review todo list 🚤🚤🚤

Improve logger
- implement log process border
- reject log process state (+ING in process msg)
- implement logger raw output mode for run command and introspection
- add 🚤 image and 🔧 artifact emoji
Rename tag scheme to tag strategy;
WERF_INSECURE_REPO removed => --insecure-repo option; removed WERF_DOCKER_CONFIG separate description;
Improved ansible modules output;
- *.py files are now in git tree
- esc utility is used to generate go sources from *.py files
- hardlinks can be set inside ansible workdir to edit py files directly
- DEVELOPMENT-ANSIBLE document describes the whole process
Remove lost containers and dangling images in 'werf host cleanup' safely;
'YAML doc' renamed to 'config section'; improved config errors;
'configVersion: 1' instead of 'configVersion: v1';
Generate werf render config in garbage-collected tmp;
Update local stage image name format (werf-stages-storage/);

Installation