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/customer--service.svg

@@ -0,0 +1,15 @@
+<?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="customer--service_2_" d="M31.36,31h-0.72c0-6.432-4.777-12.232-11.359-13.792c-0.15-0.036-0.261-0.163-0.275-0.317
+	c-0.015-0.153,0.071-0.299,0.212-0.362c1.328-0.591,2.47-1.537,3.302-2.734l0.592,0.411c-0.725,1.043-1.666,1.911-2.753,2.546
+	C26.785,18.688,31.36,24.54,31.36,31z M1.36,31H0.64c0-6.46,4.574-12.312,11.002-14.248c-2.634-1.539-4.291-4.375-4.291-7.465
+	c0-4.768,3.879-8.647,8.648-8.647c2.583,0,5.01,1.141,6.659,3.13l-0.555,0.46C20.593,2.406,18.368,1.36,16,1.36
+	c-4.372,0-7.928,3.556-7.928,7.927c0,3.125,1.849,5.968,4.711,7.241c0.141,0.063,0.226,0.209,0.212,0.362
+	c-0.014,0.154-0.125,0.281-0.275,0.317C6.137,18.768,1.36,24.568,1.36,31z M19,13.36c-0.75,0-1.36-0.61-1.36-1.36
+	s0.61-1.36,1.36-1.36c0.621,0,1.146,0.418,1.308,0.987C22.172,11.47,23.64,9.903,23.64,8V6h0.721v2c0,2.298-1.788,4.187-4.046,4.349
+	C20.16,12.93,19.63,13.36,19,13.36z M19,11.36c-0.353,0-0.64,0.287-0.64,0.64s0.287,0.64,0.64,0.64s0.64-0.287,0.64-0.64
+	S19.353,11.36,19,11.36z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>