Add a source option to config variable configuration, to specify where the variable should be loaded from (environment or via user input).
In addition it should be possible to load variables with the name ${Test} from the environment variable Test. Also escaping of variables should be possible ($${Test} -> ${Test})
Add a source option to config variable configuration, to specify where the variable should be loaded from (environment or via user input).
In addition it should be possible to load variables with the name${Test} from the environment variable Test. Also escaping of variables should be possible ($ ${Test} -> ${Test})