Added Weasyl (#994)

Color taken from their official PNG logo
Icon manually vectorized from high-res version used for their Twitter (@Weasyl)

_data/simple-icons.json

@@ -2160,6 +2160,11 @@
             "hex": "F68D12",
             "source": "https://www.wattpad.com/press/#assets"
         },
+        {
+            "title": "Weasyl",
+            "hex": "990000",
+            "source": "https://www.weasyl.com/"
+        },
         {
           "title": "Webpack",
           "hex": "8DD6F9",

icons/weasyl.svg

@@ -0,0 +1 @@
+<svg role="img" aria-labelledby="simpleicons-weasyl-icon" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><title id="simpleicons-weasyl-icon">Weasyl icon</title><path d="M21.23 4.156a8.488 8.488 0 0 0-5.871-1.857c-3.766.243-6.324 2.662-7.364 6.481-1.28-1.224-1.892-3.238-2.093-5.54-1.02.215-1.658.702-2.233 1.237.445 2.316 1.802 4.015 3.264 5.158-2.559.317-5.99 2.442-6.771 4.904-.507 1.598.258 3.415 1.283 4.52 1.237 1.333 3.75 1.998 6.355 1.754.037.362-.104.536-.058.907 4.067-.306 7.174-1.646 10.04-3.894 1.119-.877 2.659-2.037 3.756-3.227 1.101-1.192 2.296-2.578 2.443-4.52.21-2.79-1.236-4.694-2.751-5.923zm-1.434 10.938c-1.035 1.001-2.241 1.797-3.351 2.675-1.249-1.987-2.583-3.984-3.887-5.917.017 2.63.006 5.432.04 7.957-.78.381-1.789.558-2.744.763-1.935-2.917-3.968-5.99-5.961-8.908.693-.447 1.627-.785 2.478-1.075 1.419 2.05 2.729 4.253 4.171 6.333.019-3.113-.009-6.673-.061-9.919a14.175 14.175 0 0 0 1.527-.434c1.813 2.721 3.553 5.628 5.464 8.359a547.35 547.35 0 0 1-.018-9.768c.858-.282 1.803-.535 2.669-.809.02 3.499-.338 7.128-.327 10.743z"/></svg>