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-pictograms/list--checkbox.svg

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 24.1.2, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 32 32" style="enable-background:new 0 0 32 32;" xml:space="preserve">
+<path id="list--checkbox_1_" d="M7,31.36H1c-0.199,0-0.36-0.161-0.36-0.36v-6c0-0.199,0.161-0.36,0.36-0.36h6
+	c0.199,0,0.36,0.161,0.36,0.36v6C7.36,31.199,7.199,31.36,7,31.36z M1.36,30.64h5.28v-5.28H1.36V30.64z M31,28.36H11v-0.72h20V28.36
+	z M7,19.36H1c-0.199,0-0.36-0.161-0.36-0.36v-6c0-0.199,0.161-0.36,0.36-0.36h6c0.199,0,0.36,0.161,0.36,0.36v6
+	C7.36,19.199,7.199,19.36,7,19.36z M1.36,18.64h5.28v-5.28H1.36V18.64z M31,16.36H11v-0.72h20V16.36z M7,7.36H1
+	C0.801,7.36,0.64,7.199,0.64,7V1c0-0.199,0.161-0.36,0.36-0.36h6c0.199,0,0.36,0.161,0.36,0.36v6C7.36,7.199,7.199,7.36,7,7.36z
+	 M1.36,6.64h5.28V1.36H1.36V6.64z M31,4.36H11V3.64h20V4.36z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>