adding nodejs for languages

[kruimol]

Description

Adding the nodejs language in the language list.
It is a different language to javascript with some server functionality

Type of Change

• [ x ] ✨ New snippet
• 🛠 Improvement to an existing snippet
• 🐞 Bug fix
• 📖 Documentation update
• [ x ] 🔧 Other (please describe):
  New language

Checklist

• [ x ] I have tested my code and verified it works as expected.
• [ x ] My code follows the style and contribution guidelines of this project.
• [ x ] Comments are added where necessary for clarity.
• [ x ] Documentation has been updated (if applicable).
• [ x ] There are no new warnings or errors from my changes.

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[Mathys-Gasnier]

Hey, Thank you for your contribution.

After reviewing your PR we've found that NodeJs doesn't qualify as a language under our terms, NodeJs is a runtime for the Javascript language.