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/cloudy--windy.svg

@@ -0,0 +1,15 @@
+<?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="cloudy--windy_1_" d="M26,30.86c-1.853,0-3.36-1.508-3.36-3.36h0.721c0,1.456,1.184,2.64,2.64,2.64s2.64-1.184,2.64-2.64
+	s-1.184-2.64-2.64-2.64H5v-0.72h21c1.853,0,3.36,1.508,3.36,3.36S27.853,30.86,26,30.86z M25,20.86H10v-0.72h15
+	c1.456,0,2.64-1.184,2.64-2.64s-1.184-2.64-2.64-2.64s-2.64,1.185-2.64,2.64h-0.72c0-1.853,1.508-3.36,3.36-3.36
+	s3.36,1.507,3.36,3.36S26.853,20.86,25,20.86z M9,17.14H5.636c-2.478-0.031-4.276-1.706-4.276-3.981c0-2.37,1.916-4.299,4.271-4.299
+	c0.742,0,1.477,0.196,2.125,0.565C7.861,9.485,7.991,9.488,8.1,9.432c0.108-0.056,0.181-0.164,0.192-0.286
+	c0.38-4.018,3.805-7.287,7.634-7.287c3.093,0,5.964,2.038,7.144,5.07c0.071,0.18,0.269,0.276,0.451,0.21
+	c0.486-0.165,1.27-0.28,1.905-0.28c2.875,0,5.213,2.339,5.213,5.214h0.721c0-3.272-2.662-5.934-5.934-5.934
+	c-0.502,0-1.212,0.069-1.811,0.223c-1.357-3.137-4.408-5.223-7.689-5.223c-4.024,0-7.639,3.285-8.286,7.422
+	C7.008,8.285,6.322,8.14,5.631,8.14c-2.752,0-4.991,2.251-4.991,5.019c0,2.687,2.097,4.664,4.991,4.702H9V17.14z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>