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/condition--builder.svg

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 24.3.0, 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="condition--builder_1_" d="M30,30.36H2c-0.199,0-0.36-0.161-0.36-0.36V2c0-0.199,0.161-0.36,0.36-0.36h28
+	c0.199,0,0.36,0.161,0.36,0.36v28C30.36,30.199,30.199,30.36,30,30.36z M2.36,29.64h27.28V2.36H2.36V29.64z M8.155,20.896h2.976
+	v-6.048H8.155v-1.104h4.256v7.152h2.784V22h-7.04V20.896z M11.771,11.92c-0.374,0-0.635-0.077-0.784-0.232
+	c-0.149-0.154-0.224-0.349-0.224-0.584v-0.256c0-0.235,0.074-0.429,0.224-0.584s0.411-0.232,0.784-0.232s0.634,0.077,0.784,0.232
+	c0.149,0.155,0.224,0.349,0.224,0.584v0.256c0,0.235-0.075,0.43-0.224,0.584C12.406,11.843,12.145,11.92,11.771,11.92z
+	 M17.313,20.896h2.784v-6.048h-2.944v-1.104h2.944v-1.696c0-0.554,0.146-1.008,0.44-1.36s0.755-0.528,1.384-0.528h2.768v1.104
+	h-3.312v2.48h3.312v1.104h-3.312v6.048h2.944V22h-7.008C17.313,22,17.313,20.896,17.313,20.896z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>