made navbar sticky

[ro4i7]

Related Issue

made navbar sticky Closes #issue_number solves #406

Description

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Checklist

• [ ] My code adheres to the established style guidelines of the project.
• [ ] I have included comments in areas that may be difficult to understand.
• [ ] My changes have not introduced any new warnings.
• [ ] I have conducted a self-review of my code.

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[sonarcloud[bot]]

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0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication