Aded Dutch locale

[illusi0n003]

Aded Dutch locale

Describe Pull request
First, make sure you've read and are following the contribution guidelines and style guide and your code reflects that.
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Questions (please complete the following information):

• Have you personally loaded this code into an updated qbcore project and checked all it's functionality? yes
• Does your code fit the style guidelines? yes
• Does your PR fit the contribution guidelines? yes

[Borreke0]

I'd change 'signaal' to 'kanaal' :-)