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/scis-control-tower.svg

@@ -0,0 +1,7 @@
+<!-- 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="M27,19c-0.3,0-0.7,0.1-1,0.2L20.4,12c1-1.1,1.6-2.5,1.6-4c0-3.3-2.7-6-6-6s-6,2.7-6,6c0,1.6,0.6,3,1.6,4L6,19.2 C5.7,19.1,5.3,19,5,19c-1.7,0-3,1.3-3,3s1.3,3,3,3s3-1.3,3-3c0-0.6-0.2-1.1-0.5-1.6l5.6-7.1c0.6,0.3,1.2,0.5,1.9,0.6v10.3 c-1.2,0.4-2,1.5-2,2.8c0,1.7,1.3,3,3,3s3-1.3,3-3c0-1.3-0.8-2.4-2-2.8V13.9c0.7-0.1,1.3-0.3,1.9-0.6l5.6,7.1c-0.3,0.5-0.5,1-0.5,1.6 c0,1.7,1.3,3,3,3s3-1.3,3-3S28.7,19,27,19z M16,4c2.2,0,4,1.8,4,4s-1.8,4-4,4s-4-1.8-4-4S13.8,4,16,4z M5,23c-0.6,0-1-0.4-1-1 s0.4-1,1-1s1,0.4,1,1S5.6,23,5,23z M16,28c-0.6,0-1-0.4-1-1s0.4-1,1-1s1,0.4,1,1S16.6,28,16,28z M27,23c-0.6,0-1-0.4-1-1s0.4-1,1-1 s1,0.4,1,1S27.6,23,27,23z"/>
+<rect id="_x3C_Transparent_Rectangle_x3E__589_" class="st0" width="32" height="32"/>
+</svg>