docs: add termynal in documentation

[julesbertrand]

Description

Add termynal - for style only.

Related Issue

Type of Change

• 🚀 New feature (non-breaking change which adds functionality)
• 🔧 Bug fix (non-breaking change which fixes an issue)
• 🥂 Improvement (non-breaking change which improves an existing feature)
• 🔐 Security fix
• ⚙️ CI / CD update
• 📚 Examples / docs / tutorials / dependencies update
• 💥 Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I've read the CONTRIBUTING.md guide.
• I've updated the code style using make format-code.
• I've written tests for all new methods and classes that I created.
• I've written the docstring in Google format for all the methods and classes that I used.
• If my change requires a change to docs, I have updated the documentation accordingly.

[github-actions]

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