Fix concensus_on_mismatch function

[BatoolMM]

References #147

Proposed Changes

• This is to fix pkgcheck results - main #147 by adding example to concensus_on_mismatch function and making it internal

Checklist before review:

• Please comment on my PR while it's a draft and give me feedback on the development!
• I added everything I wanted to add to this PR, please review!
• [if package files were edited] Running devtools::check() returns no errors or warnings.
• The code base and the documentation match (they both reflect any recent changes).
• The title of this PR is clear and self-explantory.
• I added any appropriate labels to this PR.

[RayStick]

See my slack message :)

[BatoolMM]

I will close because the branch is way behind and create a new one - rather than trying to fix conflict as discussed in Slack.