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/first--aid.svg

@@ -0,0 +1,13 @@
+<?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="first--aid_1_" d="M19,25.36h-6c-0.199,0-0.36-0.161-0.36-0.36v-5.64H7c-0.199,0-0.36-0.161-0.36-0.36v-6
+	c0-0.199,0.161-0.36,0.36-0.36h5.64V7c0-0.199,0.161-0.36,0.36-0.36h6c0.199,0,0.36,0.161,0.36,0.36v5.64H25
+	c0.199,0,0.36,0.161,0.36,0.36v6c0,0.199-0.161,0.36-0.36,0.36h-5.64V25C19.36,25.199,19.199,25.36,19,25.36z M13.36,24.64h5.28V19
+	c0-0.199,0.161-0.36,0.36-0.36h5.64v-5.28H19c-0.199,0-0.36-0.161-0.36-0.36V7.36h-5.28V13c0,0.199-0.161,0.36-0.36,0.36H7.36v5.28
+	H13c0.199,0,0.36,0.161,0.36,0.36V24.64z M16,31.36C7.53,31.36,0.64,24.47,0.64,16S7.53,0.64,16,0.64S31.36,7.53,31.36,16
+	S24.47,31.36,16,31.36z M16,1.36C7.927,1.36,1.36,7.927,1.36,16c0,8.072,6.567,14.64,14.64,14.64c8.072,0,14.64-6.567,14.64-14.64
+	S24.072,1.36,16,1.36z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>