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/dev-and-test.svg

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Generator: Adobe Illustrator 27.5.0, 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="dev-and-test_00000164481010678822944050000006243778618904136581_" d="M25.255,11.254l-0.51-0.509L13,22.491l-3.823-3.823
+	C9.29,18.47,9.36,18.244,9.36,18c0-0.75-0.61-1.36-1.36-1.36S6.64,17.25,6.64,18S7.25,19.36,8,19.36c0.244,0,0.47-0.07,0.668-0.183
+	L13,23.509L25.255,11.254z M8,18.64c-0.353,0-0.64-0.287-0.64-0.64S7.647,17.36,8,17.36c0.353,0,0.64,0.287,0.64,0.64
+	S8.353,18.64,8,18.64z M1.409,16l6.908,12.829l-0.634,0.342l-7-13c-0.058-0.107-0.058-0.235,0-0.342l7-13l0.634,0.342L1.409,16z
+	 M31.317,16.171l-7,13l-0.635-0.342L30.591,16L23.683,3.171l0.635-0.342l7,13C31.374,15.936,31.374,16.064,31.317,16.171z"/>
+<rect id="_Transparent_Rectangle" style="fill:none;" width="32" height="32"/>
+</svg>