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/ibm--z-open-automation-utilities.svg

@@ -0,0 +1,13 @@
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+<!-- Generator: Adobe Illustrator 29.1.0, SVG Export Plug-In . SVG Version: 9.03 Build 55587)  -->
+<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="ibm--z-open-automation-utilities_00000165921194448335950660000013381299121166988218_" d="M16,29.36
+	c-5,0-9.542-2.757-11.855-7.194l0.639-0.332C6.972,26.032,11.27,28.64,16,28.64c2.945,0,5.814-1.035,8.076-2.916l0.461,0.553
+	C22.146,28.265,19.113,29.36,16,29.36z M27.259,23.194l-0.605-0.389c1.3-2.029,1.986-4.383,1.986-6.806
+	c0-5.505-3.517-10.34-8.75-12.03l0.221-0.686c5.532,1.787,9.25,6.897,9.25,12.716C29.36,18.561,28.634,21.048,27.259,23.194z
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+	C2.693,17.379,2.64,16.688,2.64,16C2.64,8.633,8.633,2.64,16,2.64v0.72C9.03,3.36,3.36,9.03,3.36,16c0,0.651,0.05,1.306,0.149,1.945
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