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/ibm-cloud-hpc.svg

@@ -0,0 +1,2 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <rect x="22" y="13" width="2" height="2"/> <rect x="26" y="13" width="2" height="2"/> <rect x="30" y="13" width="2" height="2"/> <rect x="30" y="17" width="2" height="2"/> <rect x="15" y="20" width="2" height="2"/> <rect x="20" y="28" width="2" height="2"/> <rect x="24" y="28" width="2" height="2"/> <path d="m19,26h9v-9h-9v9Zm2-7h5v5h-5v-5Z"/> <path d="m16,3v.0005c-.002,0-.004-.0003-.006-.0003-4.7007.0032-8.9033,3.3306-9.8242,8.1152C2.6037,11.7607.0078,14.8598,0,18.4815c-.0089,4.1434,3.345,7.5096,7.4911,7.5185h9.5089v-2H7.4954c-3.0367-.0065-5.502-2.4802-5.4954-5.5142.0057-2.6569,1.9092-4.9289,4.5259-5.4023l1.3488-.2441.2591-1.3459c.7241-3.7623,4.0386-6.4933,7.8662-6.4935h0c3.7363,0,6.9395,2.5367,7.79,6.169l1.9473-.4561c-1.0635-4.541-5.0674-7.7129-9.7373-7.7129Z"/> <g id="_Transparent_Rectangle_" data-name="&amp;lt;Transparent Rectangle&amp;gt;"> <rect class="cls-1" x="0" width="32" height="32"/> </g>
+</svg>