Add Noun Project (#4608)

_data/simple-icons.json

@@ -4720,6 +4720,11 @@
             "hex": "333333",
             "source": "https://noti.st/"
         },
+        {
+            "title": "Noun Project",
+            "hex": "000000",
+            "source": "https://www.lingoapp.com/6/s/oJkq3W/?v=3"
+        },
         {
             "title": "NPM",
             "hex": "CB3837",

icons/nounproject.svg

@@ -0,0 +1 @@
+<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>Noun Project icon</title><path d="M17.672 8.846H24v6.327h-6.328zM6.328 11.99a3.164 3.164 0 0 1-3.164 3.163A3.164 3.164 0 0 1 0 11.991a3.164 3.164 0 0 1 3.164-3.164 3.164 3.164 0 0 1 3.164 3.164m5.504 1.142l2.04 2.021 1.142-1.16-2.022-2.003 2.022-2.003-1.142-1.142-2.04 2.003L9.81 8.846 8.649 9.988l2.022 2.003-2.022 2.003 1.16 1.16Z"/></svg>