Add "mains" and "libs" fields to JobOrigins

These fields allow many-to-many relationships between JobOrigin
and JobBinary objects.

Co-Authored-By: Nadya Privalova <nprivalova@mirantis.com>

Implements: blueprint edp-resources-for-job

Change-Id: I8e01445d2e3f10704ae281fd1b1d67dfeadaf427