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/shopping-catalog.svg

@@ -0,0 +1,10 @@
+<!-- Generator: Adobe Illustrator 23.0.1, SVG Export Plug-In . SVG Version: 6.00 Build 0) -->
+<svg version="1.1" id="icon" x="0px" y="0px" viewBox="0 0 32 32" style="enable-background:new 0 0 32 32;" xml:space="preserve">
+<style type="text/css"> .st0{fill:none;}
+</style>
+<title>catalog</title>
+<rect x="17" y="24" width="4" height="4"/>
+<rect x="24" y="24" width="4" height="4"/>
+<rect x="17" y="17" width="4" height="4"/>
+<rect x="24" y="17" width="4" height="4"/>
+<path d="M28,11h-6V7c0-1.7-1.3-3-3-3h-6c-1.7,0-3,1.3-3,3v4H4c-0.6,0-1,0.4-1,1c0,0.1,0,0.1,0,0.2l1.9,12.1c0.1,1,1,1.7,2,1.7H15v-2 H6.9L5.2,13H28V11z M12,7c0-0.6,0.4-1,1-1h6c0.6,0,1,0.4,1,1v4h-8V7z"/> </svg>