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/rule-locked.svg

@@ -0,0 +1,10 @@
+<!-- Generator: Adobe Illustrator 27.3.1, SVG Export Plug-In . SVG Version: 6.00 Build 0) -->
+<svg version="1.1" id="icon" x="0px" y="0px" width="32px" height="32px" viewBox="0 0 32 32" style="enable-background:new 0 0 32 32;" xml:space="preserve">
+<style type="text/css"> .st0{fill:none;}
+</style>
+<path d="M28,22v-3c0-2.2-1.8-4-4-4s-4,1.8-4,4v3c-1.1,0-2,0.9-2,2v5c0,1.1,0.9,2,2,2h8c1.1,0,2-0.9,2-2v-5C30,22.9,29.1,22,28,22z M22,19c0-1.1,0.9-2,2-2s2,0.9,2,2v3h-4V19z M20,29v-5h8v5H20z"/>
+<rect x="8" y="16" width="6" height="2"/>
+<rect x="8" y="10" width="12" height="2"/>
+<path d="M26,4c0-1.1-0.9-2-2-2H4C2.9,2,2,2.9,2,4v13c0,4.1,2.2,7.8,5.8,9.7l5.2,2.8v-2.3l-4.2-2.3C5.8,23.4,4,20.3,4,17V4h20v8h2V4z "/>
+<rect id="_x3C_Transparent_Rectangle_x3E__155_" class="st0" width="32" height="32"/>
+</svg>