Fix: Improvement in Navigation Bar #449

[RemZapCypher]

Description

• Updated the toggle for dark mode and light mode to be smoother.
• Moved the exit button to the bottom.
• Added clear divide between the options in Navigation Bar.
• Added gesture swipe right from homescreen to access Navigation Bar

Fixes #(449)

Screenshots

Checklist

• [x] Tests have been added or updated to cover the changes
• [x] Documentation has been updated to reflect the changes
• [x] Code follows the established coding style guidelines
• [x] All tests are passing

[RemZapCypher]

@Pavel401 hey pavel could you check out the PR and please let me know if their is any necessary changes or updates, thank you