This pull request updates the pages-navigation component design and the notebook title style.
The title is now displayed in larger font size and bold, and some extra spaces above the title have been removed to fit the new design.
The action button (new page) has been updated to use a rounded border, and the overall layout has been adjusted for better alignment.
The All Notebook action has been moved to the top left corner of the pages-navigation component
A new settings Cod has been added to the right top corner of the pages-navigation component. The page to redirect to this actionable button will be added soon.
This pull request updates the pages-navigation component design and the notebook title style.