Viur-cli

- chore: bumped app_server version to ~=1
- chore: refactoring
- feature: added support for cloudfunction gen2
- feature: added support for overriding default ports
- feature: added version check and more verbosity for viur package command
- feature: implement skip checks flag to viur cloud deploy command
- feature: implement variable substitution for app.yaml
- feature: make viur package install more handy
- feature: viur cloud setup gcloud now requires deploy diretory in current working directory
- fix: `viur package` update mechanisms fixed
- fix: project.json load on initialization
- fix: redid cloud datastore bucket copy branch
- fix: redid viur create workflow

- fix: breaking typo

- chore: added support for gcloudfunctions gen2

- bugfix: removed project.json profile "core" validation throughout the project
- chore: bumped version numbers in setup.cfg
- chore: Added hints to several commands

- chore: added deprecation warnings
- feature: Enforcing gcloud tool usage for ViUR Projects
- feature: `viur gcloud init` command
- feature: deployment of gcloud functions
- feature: show logged in gcloud account on `viur run`
- fix: format in project.json
- feature: shows CHANGELOG.md on first start
- feature: added gcloud initiation deployment
- fix: format in project.json
- fix: deployment issues
- chore: added default gcloud account information in env
- chore: update dependencies
- docs: updated documentation and Helptexts
- chore: updated Github workflows
- feature: Appengine Setup can now be done via CLI
- feature: Appengine Roles can now be managed via CLI
- feature: `viur package install` and `viur package update` functions
- refactor: enabled profile support for all viur-cli functions
- fix: `viur env` now runs without errors
- refactor: project.json functionalities
- feature: cloudfunctions creation and deployment via ClI
- feature: backup disabling/ enabling via CLI
- refactor: `viur deploy` is now `viur cloud deploy`

- chore: removed python-minifier
- chore: updated appserver