feat: expand `feud.run` object support/discovery

[coveralls]

Pull Request Test Coverage Report for Build c7905954-df9c-4789-9f75-aafd19004c09

• 185 of 185 (100.0%) changed or added relevant lines in 2 files are covered.
• 30 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.2%) to 96.087%

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Files with Coverage Reduction	New Missed Lines	%
core/group.py	2	98.19%
core/init.py	28	71.72%
<!--	Total:	30		-->

Totals
Change from base Build 271c2afe-d358-4bd3-89ae-375d42f193b1:	-0.2%
Covered Lines:	2038
Relevant Lines:	2121

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💛 - Coveralls