Fixed logout button in mobile resolution.

[DevoAbhi]

Issue that this pull request solves

--> The logout button is not responsive in mobile resolution.

Closes: #220

Proposed changes

--> The logout button when in mobile resolution should be inside the navigation button.

Brief description of what is fixed or changed

--> The logout button now moves inside the toggle button when in mobile resolution and when the toggle button is clicked,
the logout button appears again.

Types of changes - bug fixes

Put an x in the boxes that apply

• [ x ] Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update (Documentation content changed)
• Other (please describe):

Checklist

Put an x in the boxes that apply

• [ x ] My code follows the style guidelines of this project
• [ x ] I have performed a self-review of my own code
• [ x ] I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• [ x ] My changes generate no new warnings
• [ x ] My changes does not break the current system and it passes all the current test cases.

Screenshots

Other information

--> Please mention if any other changes are needed in the Pull Request.

[DevoAbhi]

Thank you for merging my Pull Request.