Add WebAssembly (#2243) (#2244)

Closes #2243

_data/simple-icons.json

@@ -4450,6 +4450,11 @@
             "hex": "3423A6",
             "source": "https://github.com/apowers313/webauthn-logos"
         },
+        {
+            "title": "WebAssembly",
+            "hex": "654FF0",
+            "source": "https://webassembly.org/"
+        },
         {
             "title": "Webpack",
             "hex": "8DD6F9",

icons/webassembly.svg

@@ -0,0 +1 @@
+<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>WebAssembly icon</title><path d="M14.745,0c0,0.042,0,0.085,0,0.129c0,1.52-1.232,2.752-2.752,2.752c-1.52,0-2.752-1.232-2.752-2.752 c0-0.045,0-0.087,0-0.129H0v24h24V0H14.745z M11.454,21.431l-1.169-5.783h-0.02l-1.264,5.783H7.39l-1.824-8.497h1.59l1.088,5.783 h0.02l1.311-5.783h1.487l1.177,5.854h0.02l1.242-5.854h1.561l-2.027,8.497H11.454z M20.209,21.431l-0.542-1.891h-2.861l-0.417,1.891 h-1.59l2.056-8.497h2.509l2.5,8.497H20.209z M17.812,15.028l-0.694,3.118h2.159l-0.796-3.118H17.812z"/></svg>