* fix: revert tablet responsiveness UI
* fix: don't let the "Saving..." text container hide the note title on tablets
* chore: better visibility of css classes list
* fix: fixed width of notes container column on Tablets
* feat: "Notes" column responsiveness for tablets
* feat: ability to expand/collapse the navigation column, move some styles to tailwind
* feat: ability to expand/collapse the navigation column, move some styles to tailwind
* feat: icon for collapsing/expanding navigation column, style improvements
* fix: restore vertical panels resizability on large screens
* feat: tags/folders section for collapsed state
* feat: notes subsection styling in navigation section
* feat: hide rename & delete links of smart views when in collapsed mode
* fix: show notes count in bold when in collapsed mode
* fix: better padding for folders in collapsed state
* fix: smaller left padding for collapsed case
* fix: better view of expand/collapse control
* fix: hide search bar when collapsed
* fix: adjust position of "expand" control when in collapsed state
* chore: remove comments
* refactor: use `classNames` util when applying conditional css classes
* chore: shorter class names syntax
* chore: shorter syntax for conditional classes
* fix: better way of setting background color with opacity
* fix: use variable colors according to SN themes
* chore: move "colors" from "extend" section and thus override Tailwind's colors (so only SN colors will exist)
* fix: correct hover style in collapsed mode
* fix: correct upper boundary for extra small screens
