This hooks up creation of the rpm to the build, adds it to the
kickstart, and passes the url to Anaconda. The dnf repo with the rpms is
created under the results directory so it will be included when
downloading the build's results.
(cherry picked from commit cd8c884adb)
Related: rhbz#1709594
This handles creating the rpm from the dictionary describing the
repository and rpm. Also adds tests for archive and rpm creation.
(cherry picked from commit f6f2308765)
Related: rhbz#1709594