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/continuous-deployment.svg

@@ -0,0 +1,7 @@
+<!-- Generator: Adobe Illustrator 26.3.1, 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="M24,2l-6,6l1.4,1.4L23,5.8V19c0,5-4,9-9,9c-1.6,0-3.1-0.4-4.3-1.1C10.1,27,10.5,27,11,27c4.4,0,8-3.6,8-8s-3.6-8-8-8 s-8,3.6-8,8c0,6.1,4.9,11,11,11s11-4.9,11-11V5.8l3.6,3.6L30,8L24,2z M5,19.6c0-0.2,0-0.4,0-0.6c0-3.3,2.7-6,6-6s6,2.7,6,6 s-2.7,6-6,6C7.9,25,5.3,22.6,5,19.6z"/>
+<rect id="_x3C_Transparent_Rectangle_x3E__589_" class="st0" width="32" height="32"/>
+</svg>