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/expand--user.svg

@@ -0,0 +1,17 @@
+<?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="expand--user_1_" d="M17.86,31h-0.72v-7c0-0.151,0.096-0.287,0.238-0.339c0.852-0.308,1.762-1.01,1.762-2.061v-4.017
+	c0-1.808-1.379-3.224-3.14-3.224s-3.14,1.42-3.14,3.233v4.017c0,1.044,0.911,1.744,1.762,2.052c0.143,0.052,0.238,0.188,0.238,0.339
+	v7h-0.72v-6.755c-1.24-0.528-2-1.521-2-2.636v-4.017c0-2.216,1.695-3.953,3.86-3.953c2.164,0,3.86,1.732,3.86,3.944V21.6
+	c0,1.121-0.76,2.116-2,2.645C17.86,24.245,17.86,31,17.86,31z M29.442,23.755l-0.881-3.247l-0.695,0.189l0.558,2.056l-3.584-2.064
+	l-0.359,0.623l3.585,2.065L26,23.929l0.186,0.695L29.442,23.755z M6,23.929l-2.065-0.552l3.585-2.065l-0.36-0.624l-3.584,2.064
+	l0.558-2.056l-0.695-0.189l-0.88,3.247l3.256,0.869L6,23.929z M18.36,10c0-1.301-1.059-2.36-2.36-2.36S13.64,8.699,13.64,10
+	s1.059,2.36,2.36,2.36C17.302,12.36,18.36,11.301,18.36,10z M17.64,10c0,0.904-0.735,1.64-1.64,1.64s-1.64-0.736-1.64-1.64
+	S15.096,8.36,16,8.36C16.904,8.36,17.64,9.096,17.64,10z M29.442,8.246l-3.257-0.87L26,8.071l2.065,0.552l-3.585,2.065l0.359,0.624
+	l3.585-2.065l-0.559,2.057l0.695,0.188L29.442,8.246z M4.134,11.304L3.576,9.247l3.584,2.065l0.359-0.624L3.935,8.623L6,8.071
+	L5.814,7.376l-3.256,0.87l0.88,3.247L4.134,11.304z M16.36,1.869l1.506,1.506l0.51-0.509L16,0.491l-2.375,2.376l0.509,0.509
+	l1.507-1.506V6h0.72L16.36,1.869L16.36,1.869z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>