Packaging: enable installation of manpage, etc.. on fedora

[pirat89]

In the previous commit (81994a5) I have enabled building of the leapp tool for fedora. However the files like manpage, report schema, ... related to the tool has not been install in the install section. Install them now.

[github-actions[bot]]

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[centos-ci]

Can one of the admins verify this patch?