Ignore auto generated merge message

[rockstaedt]

Description

In this PR, I extended the validation to ignore merge commit messages.

Linked Issue

Closes issue #7

[codecov-commenter]

Codecov Report

Base: 100.00% // Head: 100.00% // No change to project coverage 👍

Coverage data is based on head (7b5c259) compared to base (65a3f73).
Patch coverage: 100.00% of modified lines in pull request are covered.

📣 This organization is not using Codecov’s GitHub App Integration. We recommend you install it so Codecov can continue to function properly for your repositories. Learn more

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #21   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            1         6    +5     
  Lines           30       108   +78     
=========================================
+ Hits            30       108   +78     

Impacted Files	Coverage Δ
cmd/setup.go	100.00% <100.00%> (ø)
cmd/uninstall.go	100.00% <100.00%> (ø)
cmd/validate.go	100.00% <100.00%> (ø)
internal/model/commit_message.go	100.00% <100.00%> (ø)
util/hook.go	100.00% <100.00%> (ø)
util/manual.go	100.00% <100.00%> (ø)

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.