diff --git a/png/docsify.png b/png/docsify.png
new file mode 100644
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Binary files /dev/null and b/png/docsify.png differ
diff --git a/svg/docsify.svg b/svg/docsify.svg
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--- /dev/null
+++ b/svg/docsify.svg
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="122px" height="94px" viewBox="0 0 122 94" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <!-- Generator: Sketch 41.2 (35397) - http://www.bohemiancoding.com/sketch -->
+    <title>icon</title>
+    <desc>Created with Sketch.</desc>
+    <defs>
+        <path d="M144.453286,104 C177.038086,104 203.453286,77.5848002 203.453286,45 C203.453286,12.4151998 177.038086,-14 144.453286,-14 C111.868486,-14 114.603207,13.6754846 114.603207,46.2602848 C114.603207,78.845085 111.868486,104 144.453286,104 Z" id="path-1"></path>
+        <filter x="-50%" y="-50%" width="200%" height="200%" filterUnits="objectBoundingBox" id="filter-2">
+            <feOffset dx="7" dy="-10" in="SourceAlpha" result="shadowOffsetInner1"></feOffset>
+            <feComposite in="shadowOffsetInner1" in2="SourceAlpha" operator="arithmetic" k2="-1" k3="1" result="shadowInnerInner1"></feComposite>
+            <feColorMatrix values="0 0 0 0 0   0 0 0 0 0   0 0 0 0 0  0 0 0 0.1 0" type="matrix" in="shadowInnerInner1"></feColorMatrix>
+        </filter>
+    </defs>
+    <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
+        <g id="icon" transform="translate(-98.000000, 2.000000)">
+            <g id="body" transform="translate(159.000000, 45.000000) rotate(-90.000000) translate(-159.000000, -45.000000) ">
+                <use fill="#2ECE53" fill-rule="evenodd" xlink:href="#path-1"></use>
+                <use fill="black" fill-opacity="1" filter="url(#filter-2)" xlink:href="#path-1"></use>
+                <use stroke="#0E1320" stroke-width="4" xlink:href="#path-1"></use>
+            </g>
+            <circle id="left-eye" fill="#000000" cx="139" cy="38" r="7"></circle>
+            <circle id="right-eye" fill="#000000" cx="183" cy="38" r="7"></circle>
+            <g id="light" transform="translate(112.000000, 10.000000)" fill="#FFFFFF">
+                <circle cx="2" cy="28" r="2"></circle>
+                <path d="M12.2551528,-1.65016666 C12.1154537,-2.17684986 12.4455583,-2.60381096 13.011574,-2.60381096 L14.9928363,-2.60381096 C15.5502953,-2.60381096 16.1214654,-2.16566487 16.2594657,-1.64268776 C16.2594657,-1.64268776 17.4280152,2.48668594 17.9030739,6.45786647 C18.3781327,10.429047 18.3171359,10.4652901 18.3171359,12.1782569 C18.3171359,16.9413523 16.2076398,26.4389164 16.2076398,26.4389164 C16.0941814,26.9676035 15.558852,27.396189 14.9928363,27.396189 L13.011574,27.396189 C12.454115,27.396189 12.1166642,26.9691757 12.2568366,26.4301177 C12.2568366,26.4301177 13.4260575,22.2288768 13.9640759,17.9859148 C14.5020943,13.7429529 14.309594,15.2982629 14.5626609,12.3723978 C14.9355337,8.06138047 12.2551528,-1.65016666 12.2551528,-1.65016666 Z" id="light-line" transform="translate(15.271433, 12.396189) scale(-1, 1) rotate(-48.000000) translate(-15.271433, -12.396189) "></path>
+            </g>
+            <path d="M159.5,78.3050108 C169.164983,78.3050108 177,70.4699939 177,60.8050108 C177,51.1400277 169.688728,56.4616841 160.023745,56.4616841 C150.358762,56.4616841 142,51.1400277 142,60.8050108 C142,70.4699939 149.835017,78.3050108 159.5,78.3050108 Z" id="mouth" fill="#000000"></path>
+        </g>
+    </g>
+</svg>
\ No newline at end of file