Use YAML in condition as well

[olblak]

Resolve #59
This PR refactors the way target and YAML works in order to

• Prepare the land for other targets than YAML like JSON or other formats
• Use YAML in condition as well
• Allow using YAML condition and target with or without scm definition, if no definition is specified then YAML file is read from the local path starting at the updatecli binary location.

YAML condition looks like

######################
# NOYAMLCONDITIONSCM #
######################



SOURCE:
=======

...

CONDITIONS:
===========

✔ Key 'targets.imageTag.kind', from file 'updateCli.d/jenkins.yaml', is correctly set to yaml'
✗ Key 'targets.imageTag.kind', from file 'updateCli.d/jenkins.yaml', is incorrectly set to yaml and should be wrongValueTest'
✗ cannot find key 'targets.imageTag.kindkindkind' from file '/home/olblak/Project/Olblak/updatecli'