🍱 Adds Notesnook (#514)

Closes #514

svg/notesnook.svg

@@ -0,0 +1,18 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 339 339">
+  <defs>
+    <linearGradient xlink:href="#a" id="b" x1="188.61227" x2="193.54405" y1="165.2058" y2="216.81519" gradientTransform="rotate(5 4448 -4204) scale(2.93671)" gradientUnits="userSpaceOnUse"/>
+    <linearGradient id="a">
+      <stop offset="0"/>
+      <stop offset="1" stop-color="#fff9f9" stop-opacity="0"/>
+    </linearGradient>
+    <linearGradient xlink:href="#a" id="c" x1="167.8" x2="270.6" y1="76.9" y2="64.2" gradientTransform="rotate(5 465 -2050) scale(1.50082)" gradientUnits="userSpaceOnUse"/>
+  </defs>
+  <g transform="translate(0 42)">
+    <path fill="url(#b)" d="m160 205 154 42-141 44-155-42z"/>
+    <path fill="url(#c)" d="M160-35v240l154 42 1-253z"/>
+    <path fill="none" d="M160 205V-35m0 240L18 249m142-44 154 41"/>
+    <path d="m84 109 35 54V98l21-7v91l-27 9-35-54v65l-21 6v-91z"/>
+    <rect width="86.1" height="12.6" x="185" y="97" fill="#bebebe" ry="2.3" transform="skewY(15) scale(.9669 1)"/>
+    <path fill="#bebebe" d="m181 169 99 26 2 3v8c0 1-1 2-2 1l-99-26-2-3v-7c0-2 1-2 2-2zm0-47 99 27 2 2v8l-2 2-99-27c-1 0-2-1-2-3v-7l2-2z"/>
+  </g>
+</svg>