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/edit.svg

@@ -0,0 +1,7 @@
+<!-- Generator: Adobe Illustrator 24.0.3, 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>
+<title>edit</title>
+<rect x="2" y="26" width="28" height="2"/>
+<path d="M25.4,9c0.8-0.8,0.8-2,0-2.8c0,0,0,0,0,0l-3.6-3.6c-0.8-0.8-2-0.8-2.8,0c0,0,0,0,0,0l-15,15V24h6.4L25.4,9z M20.4,4L24,7.6 l-3,3L17.4,7L20.4,4z M6,22v-3.6l10-10l3.6,3.6l-10,10H6z"/> </svg>