* Add yamllint (in pre-commit and CI)
* Fix linting for all YAML files
* Bump and add it to requirements
* Fix gen_requirements for pre-commit, remove 'v' from version
* update demo service domain and service description
* move DOMAIN and service name to const.py
* update per balloob's service name suggestion
* update service name in services.yaml
* update service name constant's name
Franck Nijhof
tkdrob
Raman Gupta
Paulus Schoutsen