style(scully): change 'Sended kill command to server' to 'Sent kill command to server'

[leonelngande]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/scullyio/scully/blob/master/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Other... Please describe:

What is the current behavior?

After sending the kill command to the server (npm run scully killServer), Sended kill command to server is logged in the console.

Issue Number: N/A

What is the new behavior?

After sending the kill command to the server (npm run scully killServer), Sent kill command to server is logged in the console.

Does this PR introduce a breaking change?

• Yes
• No

Other information

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