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/shield/svgs/shield-24.svg

@@ -0,0 +1,3 @@
+<svg width="19" height="24" viewBox="0 0 19 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M9.5 24C6.74896 23.3 4.47767 21.7048 2.68613 19.2144C0.894584 16.724 -0.000791142 13.9592 5.24514e-07 10.92V3.6L9.5 0L19 3.6V10.92C19 13.96 18.1046 16.7252 16.3139 19.2156C14.5231 21.706 12.2518 23.3008 9.5 24ZM9.5 21.48C11.5583 20.82 13.2604 19.5 14.6062 17.52C15.9521 15.54 16.625 13.34 16.625 10.92V5.25L9.5 2.55L2.375 5.25V10.92C2.375 13.34 3.04792 15.54 4.39375 17.52C5.73958 19.5 7.44167 20.82 9.5 21.48Z" fill="#F4F2EF"/>
+</svg>