feat: 更新管理器

change: 翻译

assets/icons/upgrades-symbolic.svg

@@ -0,0 +1,7 @@
+<svg width="16" height="16" xmlns="http://www.w3.org/2000/svg" stroke="null" style="vector-effect: non-scaling-stroke;">
+
+ <g stroke="null">
+  <title stroke="null">Layer 1</title>
+  <path transform="rotate(-180 8 8)" stroke="null" id="svg_1" d="m8,1c3.86599,0 7,3.13401 7,7c0,3.86599 -3.13401,7 -7,7c-3.86599,0 -7,-3.13401 -7,-7c0,-3.86599 3.13401,-7 7,-7zm1.5,7l-3,0c-0.27614,0 -0.5,0.22386 -0.5,0.5c0,0.27614 -0.22386,0.5 -0.5,0.5l0,0l-0.5,0c-0.10986,0 -0.21521,0.04364 -0.29289,0.12132c-0.16176,0.16176 -0.16176,0.42403 0,0.58579l0,0l2.93934,2.93934c0.19526,0.19526 0.51184,0.19526 0.7071,0l0,0l2.93934,-2.93934c0.07768,-0.07768 0.12132,-0.18304 0.12132,-0.2929c0,-0.22876 -0.18545,-0.41421 -0.41421,-0.41421l0,0l-0.5,0c-0.27614,0 -0.5,-0.22386 -0.5,-0.5c0,-0.27614 -0.22386,-0.5 -0.5,-0.5l0,0zm0,-2l-3,0c-0.27614,0 -0.5,0.22386 -0.5,0.5c0,0.27614 0.22386,0.5 0.5,0.5l0,0l3,0c0.27614,0 0.5,-0.22386 0.5,-0.5c0,-0.27614 -0.22386,-0.5 -0.5,-0.5l0,0zm0,-2l-3,0c-0.27614,0 -0.5,0.22386 -0.5,0.5c0,0.27614 0.22386,0.5 0.5,0.5l0,0l3,0c0.27614,0 0.5,-0.22386 0.5,-0.5c0,-0.27614 -0.22386,-0.5 -0.5,-0.5l0,0z" fill-rule="evenodd"/>
+ </g>
+</svg>

assets/icons/upgrades-symbolic_dark.svg

@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="16"
+   height="16"
+   viewBox="0 0 16 16"
+   version="1.1"
+   id="svg4"
+   sodipodi:docname="downloads-symbolic_dark.svg"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)">
+  <metadata
+     id="metadata10">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <defs
+     id="defs8" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="1920"
+     inkscape:window-height="982"
+     id="namedview6"
+     showgrid="false"
+     inkscape:zoom="14.75"
+     inkscape:cx="8"
+     inkscape:cy="8"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg4" />
+  <path
+     transform="rotate(-180 8 8)"
+     fill="#FFF"
+     fill-opacity=".8"
+     fill-rule="evenodd"
+     d="M8,1 C11.8659932,1 15,4.13400675 15,8 C15,11.8659932 11.8659932,15 8,15 C4.13400675,15 1,11.8659932 1,8 C1,4.13400675 4.13400675,1 8,1 Z M9.5,8 L6.5,8 C6.22385763,8 6,8.22385763 6,8.5 C6,8.77614237 5.77614237,9 5.5,9 L5.5,9 L5,9 C4.89014373,9 4.78478689,9.04364023 4.70710678,9.12132034 C4.54534632,9.2830808 4.54534632,9.54534632 4.70710678,9.70710678 L4.70710678,9.70710678 L7.64644661,12.6464466 C7.84170876,12.8417088 8.15829124,12.8417088 8.35355339,12.6464466 L8.35355339,12.6464466 L11.2928932,9.70710678 C11.3705733,9.62942667 11.4142136,9.52406983 11.4142136,9.41421356 C11.4142136,9.18544973 11.2287638,9 11,9 L11,9 L10.5,9 C10.2238576,9 10,8.77614237 10,8.5 C10,8.22385763 9.77614237,8 9.5,8 L9.5,8 Z M9.5,6 L6.5,6 C6.22385763,6 6,6.22385763 6,6.5 C6,6.77614237 6.22385763,7 6.5,7 L6.5,7 L9.5,7 C9.77614237,7 10,6.77614237 10,6.5 C10,6.22385763 9.77614237,6 9.5,6 L9.5,6 Z M9.5,4 L6.5,4 C6.22385763,4 6,4.22385763 6,4.5 C6,4.77614237 6.22385763,5 6.5,5 L6.5,5 L9.5,5 C9.77614237,5 10,4.77614237 10,4.5 C10,4.22385763 9.77614237,4 9.5,4 L9.5,4 Z"
+     id="path2"
+     style="fill:#ffffff;fill-opacity:0.60000002" />
+</svg>