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/logo-svelte.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="M26.1,5.7C23.5,2,18.4,0.9,14.7,3.2L8.2,7.4c-1.8,1.1-3,2.9-3.4,5c-0.3,1.7,0,3.5,0.8,5.1c-0.6,0.8-0.9,1.8-1.1,2.8 c-0.4,2.1,0.1,4.3,1.4,6c2.6,3.7,7.7,4.8,11.4,2.5l6.5-4.2c1.8-1.1,3-2.9,3.4-5c0.3-1.7,0-3.5-0.8-5.1c0.6-0.8,0.9-1.8,1.1-2.8 C27.9,9.6,27.4,7.4,26.1,5.7z M24.3,11c0,0.2-0.1,0.4-0.2,0.6L24,12l-0.3-0.2c-0.8-0.6-1.6-1-2.6-1.3l-0.2-0.1l0-0.2 c0-0.3-0.1-0.7-0.3-1c-0.4-0.5-1-0.8-1.7-0.6c-0.1,0-0.3,0.1-0.4,0.2L12,12.9c-0.3,0.2-0.5,0.5-0.6,0.9c-0.1,0.4,0,0.8,0.2,1.1 c0.4,0.5,1,0.8,1.7,0.6c0.1,0,0.3-0.1,0.4-0.2l2.5-1.6c0.4-0.3,0.9-0.5,1.3-0.6c2.1-0.5,4.3,0.3,5.6,2.1c0.7,1,1,2.4,0.8,3.6 c-0.2,1.2-1,2.3-2,3l-6.5,4.2c-0.4,0.3-0.9,0.5-1.3,0.6c-2.1,0.5-4.3-0.3-5.6-2.1c-0.7-1-1-2.4-0.8-3.6c0-0.2,0.1-0.4,0.2-0.6L8,20 l0.3,0.2c0.8,0.6,1.6,1,2.6,1.3l0.2,0.1l0,0.2c0,0.3,0.1,0.7,0.3,1c0.4,0.5,1,0.8,1.7,0.6c0.1,0,0.3-0.1,0.4-0.2l6.5-4.2 c0.3-0.2,0.5-0.5,0.6-0.9c0.1-0.4,0-0.8-0.2-1.1c-0.4-0.5-1-0.8-1.7-0.6c-0.1,0-0.3,0.1-0.4,0.2l-2.5,1.6c-0.4,0.3-0.9,0.5-1.3,0.6 c-2.1,0.5-4.3-0.3-5.6-2.1c-0.8-1-1-2.4-0.8-3.6c0.2-1.2,1-2.3,2-3l6.5-4.2c0.4-0.3,0.9-0.5,1.3-0.6c2.1-0.5,4.3,0.3,5.6,2.1 C24.2,8.5,24.5,9.8,24.3,11z"/>
+<rect id="_x3C_Transparent_Rectangle_x3E__363_" class="st0" width="32" height="32"/>
+</svg>