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/curve--exponential.svg

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 27.5.0, 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="curve--exponential_00000016763790839608173090000017215000102309982650_" d="M16.36,31h-0.72V16.36H1v-0.72h14.64v-2.026
+	C11.388,14.36,6.412,14.36,1,14.36v-0.72c5.432,0,10.415,0,14.64-0.774V1h0.72v11.724c6.142-1.285,10.575-4.375,12.29-11.805
+	l0.701,0.162c-1.823,7.902-6.514,11.102-12.991,12.397v2.162H31v0.72H16.36V31z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>