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/app--modernization.svg

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 27.2.0, 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="app--modernization_00000145768698893278556520000004131002903352429989_" d="M15,15.36H9c-0.199,0-0.36-0.161-0.36-0.36V9
+	c0-0.199,0.161-0.36,0.36-0.36h6c0.199,0,0.36,0.161,0.36,0.36v6C15.36,15.199,15.199,15.36,15,15.36z M9.36,14.64h5.28V9.36H9.36
+	V14.64z M15.36,23v-6c0-0.199-0.161-0.36-0.36-0.36H9v0.72h5.64v5.279H9v0.721h6C15.199,23.36,15.36,23.199,15.36,23z M23.36,9
+	c0-0.199-0.161-0.36-0.36-0.36h-6v0.72h5.64V15h0.721L23.36,9L23.36,9z M16,31.36c-4.529,0-8.716-1.933-11.64-5.338V29H3.64v-4.36H8
+	v0.721H4.743C7.536,28.725,11.598,30.64,16,30.64c8.072,0,14.64-6.567,14.64-14.64h0.721C31.36,24.47,24.47,31.36,16,31.36z
+	 M1.36,16H0.64C0.64,7.53,7.53,0.64,16,0.64c4.529,0,8.716,1.933,11.64,5.337V3h0.721v4.36H24V6.64h3.257
+	C24.464,3.275,20.401,1.36,16,1.36C7.927,1.36,1.36,7.927,1.36,16z M23,23.36h-6c-0.199,0-0.36-0.161-0.36-0.36v-6
+	c0-0.199,0.161-0.36,0.36-0.36h6c0.199,0,0.36,0.161,0.36,0.36v6C23.36,23.199,23.199,23.36,23,23.36z M17.36,22.64h5.279v-5.28
+	H17.36V22.64z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>