New Brands

Added Amazon Music
Added ArtStation
Added Behance
Added Cal.com
Added Calendly
Added Dribbble
Added Fiverr
Added Generic Shopping Bag
Added Generic Shopping Tag
Added Guilded
Added Last.fm
Added Line
Added Mailchimp
Added Shop
Added Slack
Added Square
Added Upwork
Added VSCO
Added Zoom
Reordered Branded and Generic Buttons in `index.html`.

images/icons/guilded.svg

@@ -0,0 +1,10 @@
+<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g clip-path="url(#clip0_1450_712)">
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+</g>
+<defs>
+<clipPath id="clip0_1450_712">
+<rect width="24" height="24" fill="white"/>
+</clipPath>
+</defs>
+</svg>