add Matt community badge SVG

Yellow community-palette badge (#f1c40f) for Matt Pocock, structured
identically to community-dex.svg/community-shayan.svg. Width 40px to
fit the 4-character "Matt" label.

Co-Authored-By: Claude <noreply@anthropic.com>

!/tags/community-matt.svg

@@ -0,0 +1,17 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="40" height="20" role="img" aria-label="Matt">
+  <title>Matt</title>
+  <linearGradient id="s" x2="0" y2="100%">
+    <stop offset="0" stop-color="#bbb" stop-opacity=".1"/>
+    <stop offset="1" stop-opacity=".1"/>
+  </linearGradient>
+  <clipPath id="r">
+    <rect width="40" height="20" rx="3" fill="#fff"/>
+  </clipPath>
+  <g clip-path="url(#r)">
+    <rect width="40" height="20" fill="#f1c40f"/>
+    <rect width="40" height="20" fill="url(#s)"/>
+  </g>
+  <g fill="#333" text-anchor="middle" font-family="Verdana,Geneva,DejaVu Sans,sans-serif" text-rendering="geometricPrecision" font-size="11">
+    <text x="20" y="14">Matt</text>
+  </g>
+</svg>