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/math--curve.svg

@@ -0,0 +1,14 @@
+<?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="math--curve_1_" d="M31,31.36H1c-0.199,0-0.36-0.161-0.36-0.36V1h0.72v29.64H31V31.36z M4.254,28.255l-0.509-0.51
+	l5.67-5.67c-4.32-2.401-6.044,0.019-6.117,0.126l-0.598-0.4c0.021-0.033,2.183-3.149,7.241-0.252l6.123-6.123
+	c-2.028-4.19-3.885-8.114-2.319-9.681c2.106-2.11,7.807,1.767,9.218,2.782l5.781-5.782l0.51,0.509l-5.669,5.669
+	c1.436,0.779,2.747,1.019,3.883,0.691c1.515-0.436,2.203-1.763,2.21-1.776l0.644,0.323c-0.033,0.065-0.824,1.612-2.643,2.142
+	c-1.37,0.398-2.923,0.112-4.621-0.852l-6.123,6.123c2.027,4.19,3.886,8.114,2.319,9.681c-2.11,2.103-7.809-1.767-9.218-2.782
+	L4.254,28.255z M10.552,21.957c2.103,1.492,6.725,4.256,8.193,2.788c1.183-1.183-0.626-5.068-2.349-8.632L10.552,21.957z
+	 M15.461,5.838c-0.498,0-0.915,0.124-1.207,0.416c-1.182,1.183,0.627,5.069,2.349,8.633l5.845-5.844
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+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>