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/assembly.svg

@@ -0,0 +1,8 @@
+<!-- Generator: Adobe Illustrator 25.4.1, 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="M16,25.4l-8-4.7v-9.4l8-4.7l8,4.7v9.4L16,25.4z M10,19.6l6,3.5l6-3.5v-7.1l-6-3.5l-6,3.5V19.6z"/>
+<path d="M27,8.2L17,2.3C16.7,2.1,16.4,2,16,2s-0.7,0.1-1,0.3L5,8.2c-0.6,0.4-1,1-1,1.7v12.2c0,0.7,0.4,1.4,1,1.7l10,5.9 c0.3,0.2,0.7,0.3,1,0.3s0.7-0.1,1-0.3l10-5.9c0.6-0.4,1-1,1-1.7V9.9C28,9.2,27.6,8.5,27,8.2z M26,22.1L16,28L6,22.1V9.9L16,4l10,5.9 V22.1z"/>
+<rect id="_x3C_Transparent_Rectangle_x3E__589_" class="st0" width="32" height="32"/>
+</svg>