Specify the files in the given directory that you'd like to include. i.e. the files you include will ONLY be used in updating an application. If left blank all the .yaml, .yml, .json files will be included and built.

Possible options:

* Regular Expression
Regular Expression here will only include those files which matches the regular expression.
E.g. *.yaml (matches any filename which ends with .yaml).

* Single File
E.g. Filename.extension

* Multiple Paths
E.g. Filename1.extension, Filename2.extension,...