Add Iconfinder (#3555)

_data/simple-icons.json

@@ -2965,6 +2965,11 @@
             "hex": "31B8BB",
             "source": "https://icon.foundation/"
         },
+        {
+            "title": "Iconfinder",
+            "hex": "1A1B1F",
+            "source": "https://www.iconfinder.com/p/about"
+        },
         {
             "title": "Iconify",
             "hex": "1769AA",

icons/iconfinder.svg

@@ -0,0 +1 @@
+<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>Iconfinder icon</title><path d="M12 0C4.492 2.746-.885 11.312.502 19.963.502 19.963 4.989 24 12 24c7.01 0 11.496-4.037 11.496-4.037C24.882 11.312 19.508 2.746 12 0zm0 1.846s2.032.726 3.945 2.488c.073.067.13.163.129.277-.001.168-.128.287-.301.287a.496.496 0 01-.137-.027 6.537 6.537 0 00-2.316-.4 6.625 6.625 0 00-3.914 1.273l-.002.002a7.978 7.978 0 016.808.768C20.48 9.11 22.597 14.179 21.902 19c0 0-1.646 1.396-4.129 2.172a.369.369 0 01-.303-.026c-.144-.084-.185-.255-.1-.404a.492.492 0 01.094-.103 6.562 6.562 0 001.504-1.809 6.632 6.632 0 00.856-4.027l-.002-.002a7.949 7.949 0 01-3.838 5.383c-4.42 2.552-9.99 1.882-13.885-1.184 0 0-.388-2.124.182-4.662a.373.373 0 01.176-.25c.145-.084.31-.033.396.117a.448.448 0 01.045.13c.126.762.405 1.5.814 2.208a6.637 6.637 0 003.059 2.756 7.96 7.96 0 01-1.672-2.033 7.928 7.928 0 01-1.066-4.205C4.128 8.047 7.464 3.659 12 1.846zm0 7.623c-2.726 0-5.117.93-6.483 2.332-.064.32-.1.65-.1.984 0 3.146 2.947 5.695 6.583 5.695 3.635 0 6.584-2.549 6.584-5.695 0-.334-.038-.664-.102-.984C17.116 10.4 14.724 9.469 12 9.469zm0 .693a3.12 3.12 0 010 6.238 3.118 3.118 0 01-2.872-4.336 1.3 1.3 0 101.657-1.656A3.108 3.108 0 0112 10.162z"/></svg>