Merge pull request 'OZG-6747 refactor envs' (#14) from OZG_6747 into master

Jenkinsfile

README.md

config/config-local.yml

config/config.yml

internal/config/config.go

internal/config/config_test.go

internal/config/testdata/config-local.yml

internal/config/testdata/config.yml

internal/config/testdata/empty_test_config.yml

internal/logging/testdata/config.yml

internal/mock/testdata/config.yml

internal/server/testdata/config.yml

src/main/helm/templates/deployment.yaml

src/test/helm-linter-values.yaml

src/test/helm/deployment_env_test.yaml