Update logo (#469)

* Add install by sources section and a link to dev server

* Update VisualDL logo

frontend/src/assets/ic_logo.svg

+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 150 24"><defs><style>.cls-1,.cls-2,.cls-3{fill:#fff;}.cls-2{opacity:0.85;}.cls-3{opacity:0.65;}</style></defs><title>logo</title><path class="cls-1" d="M50.85,21.48,45,3.33h4L51.71,12l1.43,5.7h.08L54.6,12l2.7-8.71h3.88l-5.9,18.15Z"/><path class="cls-1" d="M61.72,4.47V3.9C61.72,2.81,62.4,2,64,2s2.24.81,2.24,1.9v.57c0,1.09-.68,1.9-2.24,1.9S61.72,5.56,61.72,4.47ZM62,7.83h3.85V21.48H62Z"/><path class="cls-1" d="M67.05,19.35l2.26-2.29a4.75,4.75,0,0,0,3.62,1.74c1.51,0,2-.49,2-1.3s-.42-1-1.38-1.14l-1.48-.18C69,15.78,67.5,14.43,67.5,12c0-2.63,2.05-4.45,5.31-4.45a6.86,6.86,0,0,1,5.57,2.13l-2.21,2.26A4.56,4.56,0,0,0,73,10.5c-1.3,0-1.82.47-1.82,1.14s.31,1.12,1.43,1.27l1.53.21c3,.39,4.5,1.74,4.5,4.11,0,2.63-2.34,4.55-5.85,4.55A7.13,7.13,0,0,1,67.05,19.35Z"/><path class="cls-1" d="M88,19.19h-.13a3.71,3.71,0,0,1-3.82,2.6c-2.78,0-4.27-2-4.27-5.38V7.83h3.85v8.24c0,1.66.55,2.6,2,2.6a2.17,2.17,0,0,0,2.42-2V7.83h3.85V21.48H88Z"/><path class="cls-1" d="M104.27,21.48a2.6,2.6,0,0,1-2.6-2.39h-.16c-.42,1.77-1.92,2.7-4,2.7-2.73,0-4.24-1.61-4.24-4,0-2.89,2.24-4.27,5.85-4.27h2.16v-.86c0-1.33-.65-2.16-2.26-2.16a3.37,3.37,0,0,0-2.94,1.61l-2.29-2c1.09-1.61,2.65-2.6,5.51-2.6,3.85,0,5.83,1.77,5.83,5v6h1.27v3Zm-3-4.14V15.73H99.41c-1.48,0-2.26.55-2.26,1.53v.39c0,1,.65,1.46,1.79,1.46S101.28,18.59,101.28,17.34Z"/><path class="cls-1" d="M111.5,21.48c-2.63,0-3.82-1.33-3.82-3.75V2.23h3.85V18.49h1.72v3Z"/><path class="cls-1" d="M119.3,3.33h6.84c4.81,0,8,3,8,9.08s-3.17,9.08-8,9.08H119.3ZM126.14,18c2.34,0,3.8-1.27,3.8-4.16V11c0-2.89-1.46-4.16-3.8-4.16h-2.89V18Z"/><path class="cls-1" d="M136.13,21.48V3.33h4V18H147v3.51Z"/><circle class="cls-1" cx="19.58" cy="4.33" r="2.05"/><circle class="cls-2" cx="19.58" cy="9.69" r="2.05"/><circle class="cls-2" cx="19.58" cy="15.04" r="2.05"/><circle class="cls-1" cx="24.58" cy="7.03" r="2.05"/><circle class="cls-2" cx="24.58" cy="12.39" r="2.05"/><circle class="cls-3" cx="19.58" cy="20.38" r="2.05"/><circle class="cls-3" cx="24.58" cy="17.67" r="2.05"/><circle class="cls-1" cx="29.59" cy="9.69" r="2.05"/><circle class="cls-3" cx="29.6" cy="15.04" r="2.05"/><circle class="cls-1" cx="34.88" cy="12.39" r="2.05"/><circle class="cls-3" cx="14.43" cy="17.8" r="2.05"/><circle class="cls-1" cx="9.56" cy="9.73" r="2.05"/><circle class="cls-1" cx="14.43" cy="7.03" r="2.05"/><circle class="cls-3" cx="9.43" cy="15.15" r="2.05"/><circle class="cls-1" cx="4.14" cy="12.45" r="2.05"/></svg>
\ No newline at end of file

frontend/src/common/component/AppMenu.vue

@@ -86,11 +86,10 @@ export default {
 .visual-dl-app-menu
     .appbar-menu-title
         flex none
-        margin-right 50px
-        background url('./visualdl-logo.png') no-repeat
-        background-size cover
-        width 120px
-        height 50px
+        margin-right 20px
+        background url('../../assets/ic_logo.svg') no-repeat
+        width 180px
+        height 24px
 
     .menu-item
         font-size 16px