adding sample slash command - rebase

[Borda]

What does this PR do?

it can be a useful feature not to check and use local env, but able to do it in the PR itself

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📚 Documentation preview 📚: https://torchmetrics--2092.org.readthedocs.build/en/2092/

[codecov]

Codecov Report

Merging #2092 (6b97b32) into master (6bf705e) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@          Coverage Diff           @@
##           master   #2092   +/-   ##
======================================
  Coverage      87%     87%           
======================================
  Files         293     293           
  Lines       16304   16304           
======================================
  Hits        14182   14182           
  Misses       2122    2122           

[Borda]

@stancld nice try, unfortunately it will work after merging to master