more or less complete rewrite of application

[ephur]

add reports for sonarqube
override any region from profile
get rid of backend selector, use enum
allow everything to be frozen
squelch some output from Makefile
correct remote_path_options model
pass remote_options as a dict
handle case when no global vars are set
handle model based options properly
handle empty global vars into hooks
download modules prior to looking for required providers Added error handling for jinja2 syntax errors
change resolved path to use definition name, not path add support for multiple version constraints
enable strict_locking flag
fix issue when multiple provider verions are specified

also adds tests for

• base backend validate empty function
• backends custom enum method
• exceptions raised during s3 tests
• add target for tests with artifacts
• adds tests to complete authenticators coverage.
• add tests for the app_state model.
• add tests for cli-options
• add a missing test condition to the FS copier
• add proper poetry install to makefile
• add tests for Definition model and methods
• add tests for definitions collection
• add tests for definitions plan
• Add test for defintion prepare
• Remove legacy tests