wiki: add Carbon Design System icons (2673) + pictograms (1000)

- 2673 SVG icons from @carbon/icons v11.82.0 (~2.5 MB)
- 1000 SVG pictograms from Carbon Design System (~2.0 MB)
- Updated 00-overview.md with asset structure and category listing

All icons: 32x32, fill: currentColor, optimized SVG
All pictograms: 24x24, fill: currentColor, SVG

assets/icons/carbon/border-bottom.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <rect x="3" y="27" width="26" height="2" transform="translate(32 56) rotate(180)"/> <rect x="27" y="23" width="2" height="2" transform="translate(56 48) rotate(180)"/> <rect x="27" y="19" width="2" height="2" transform="translate(56 40) rotate(180)"/> <rect x="27" y="15" width="2" height="2" transform="translate(56 32) rotate(180)"/> <rect x="27" y="11" width="2" height="2" transform="translate(56 24) rotate(180)"/> <rect x="27" y="7" width="2" height="2" transform="translate(56 16) rotate(180)"/> <rect x="27" y="3" width="2" height="2" transform="translate(56 8) rotate(180)"/> <rect x="23" y="3" width="2" height="2" transform="translate(48 8) rotate(180)"/> <rect x="19" y="3" width="2" height="2" transform="translate(40 8) rotate(180)"/> <rect x="15" y="3" width="2" height="2" transform="translate(32 8) rotate(180)"/> <rect x="7" y="3" width="2" height="2" transform="translate(16 8) rotate(180)"/> <rect x="11" y="3" width="2" height="2" transform="translate(24 8) rotate(180)"/> <rect x="3" y="23" width="2" height="2" transform="translate(8 48) rotate(180)"/> <rect x="3" y="19" width="2" height="2" transform="translate(8 40) rotate(180)"/> <rect x="3" y="15" width="2" height="2" transform="translate(8 32) rotate(180)"/> <rect x="3" y="11" width="2" height="2" transform="translate(8 24) rotate(180)"/> <rect x="3" y="7" width="2" height="2" transform="translate(8 16) rotate(180)"/> <rect x="3" y="3" width="2" height="2" transform="translate(8 8) rotate(180)"/> <rect x="8" y="10" width="10" height="2"/> <rect x="8" y="15" width="6" height="2"/> </svg>