Add parameter for allure.yml config

[eroshenkoam]

Issue

Context

• Jenkins version: X.Y.Z

• Job type: Pipeline, Freestyle, Matrix, etc.

• Allure plugin version: X.Y

• Allure commandline version: X.Y.Z

Problem description

Describe your problem in a meaningful way:

• what were you doing
• what was expected
• what occurred finally

Logs & Traces

Please include any relevant log that could serve to better understand the source of your issue

[mikesalvia]

PR created to add this functionality in #204. Awaiting feedback on it.