feat: add icon set with size variants

Added icons:
- Arrow2Icon
- BinIcon
- BurgerIcon
- CalendarIcon
- CheckIcon
- CloseIcon
- CodeIcon
- CubeIcon
- DownloadIcon
- FilterIcon
- HelpIcon
- HomeIcon
- LinkIcon
- MinusIcon
- MoreIcon
- OverviewIcon
- PlusIcon
- ProfileIcon
- SearchIcon
- SettingsIcon
- ShareIcon
- ShieldIcon
- SortIcon
- StatsIcon
- UploadIcon

Available sizes:
- 16px
- 24px
- 32px

SortIcon variants:
- default
- ascend
- descend

Notes:
- Added a dedicated icon grid preview in the design system page
- Verified consistency across all supported sizes

src/components/Icons/help/svgs/help-24.svg

@@ -0,0 +1,5 @@
+<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M12 21C16.9706 21 21 16.9706 21 12C21 7.02944 16.9706 3 12 3C7.02944 3 3 7.02944 3 12C3 16.9706 7.02944 21 12 21Z" stroke="#F4F2EF" stroke-width="1.5"/>
+<path d="M12 15.6C13.9882 15.6 15.6 13.9882 15.6 12C15.6 10.0118 13.9882 8.4 12 8.4C10.0118 8.4 8.39999 10.0118 8.39999 12C8.39999 13.9882 10.0118 15.6 12 15.6Z" stroke="#F4F2EF" stroke-width="1.5"/>
+<path d="M14.7 9.3L18.3 5.7M5.7 18.3L9.3 14.7M9.3 9.3L5.7 5.7M18.3 18.3L14.7 14.7" stroke="#F4F2EF" stroke-width="1.5"/>
+</svg>