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/mri.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="mri_1_" d="M17,30.36c-3.732,0-7.257-1.42-9.944-4H3.36v3.279H5v0.721H1v-0.72h1.64v-3.28h-2v-4.72h3.15
+	C3.026,19.857,2.64,17.963,2.64,16C2.64,8.082,9.082,1.64,17,1.64S31.36,8.082,31.36,16S24.918,30.36,17,30.36z M8.126,26.36
+	c2.471,2.121,5.588,3.279,8.874,3.279c7.521,0,13.64-6.118,13.64-13.64c0-7.521-6.118-13.64-13.64-13.64
+	C9.479,2.36,3.36,8.479,3.36,16c0,1.97,0.409,3.865,1.217,5.64h3.731C7.214,19.962,6.64,18.026,6.64,16
+	c0-5.712,4.647-10.36,10.36-10.36S27.36,10.287,27.36,16S22.713,26.36,17,26.36v-0.72c2.881,0,5.471-1.27,7.238-3.279H1.36v3.279H17
+	v0.721L8.126,26.36L8.126,26.36z M9.181,21.64h15.632c1.148-1.587,1.826-3.535,1.826-5.64c0-5.315-4.324-9.64-9.64-9.64
+	S7.36,10.685,7.36,16C7.36,18.045,7.989,19.991,9.181,21.64z M19,4.36h-4V3.64h4V4.36z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>