Add DHL (#3048)

_data/simple-icons.json

@@ -1545,6 +1545,11 @@
             "hex": "F99A66",
             "source": "https://devrant.com"
         },
+        {
+            "title": "DHL",
+            "hex": "FFCC00",
+            "source": "https://www.dpdhl-brands.com/dhl/en/guides/design-basics/logo-and-claim.html"
+        },
         {
             "title": "Diaspora",
             "hex": "000000",

icons/dhl.svg

@@ -0,0 +1 @@
+<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>DHL icon</title><path d="M4.22 10.303l-.767 1.043h4.18c.21 0 .208.078.105.218-.105.142-.28.39-.386.534-.054.073-.154.207.171.207h1.71l.505-.69c.314-.426.028-1.312-1.095-1.312H4.22zm7.204 0l-1.475 2.002h5.39l1.473-2.002H14.61l-.843 1.146h-.985l.846-1.146h-2.203zm6.105 0l-1.474 2.002h2.334l1.472-2.002H17.53zm-12.845 1.3l-1.54 2.094h3.754c1.24 0 1.932-.844 2.145-1.136h-2.56c-.326 0-.226-.133-.172-.207.107-.143.283-.388.388-.53.104-.14.107-.22-.105-.22h-1.91zM0 12.562v.242h3.398l.176-.242H0zm9.762 0l-.836 1.136h2.203l.836-1.136H9.762zm3.185 0l-.836 1.136h2.203l.836-1.136h-2.203zm2.918 0s-.159.22-.238.326c-.276.374-.033.81.87.81h3.538l.834-1.136h-5.004zm5.408 0l-.177.242H24v-.242h-2.727zM0 13.01v.24h3.068l.178-.24H0zm20.943 0l-.175.24H24v-.24h-3.057zM0 13.457v.24h2.74l.176-.24H0zm20.615 0l-.177.24H24v-.24h-3.385z"/></svg>