refactor: svg icons (#1096)

* refactor svg

* add svgo

* refine

* add tree.svg

* add svg.yml

src/icons/svg/tab.svg

@@ -1 +1 @@
-<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1506329761546" class="icon" style="" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1384" xmlns:xlink="http://www.w3.org/1999/xlink" width="64" height="64"><defs><style type="text/css"></style></defs><path d="M622.276923 39.384615H401.723077c-13.784615 0-23.630769 11.815385-23.630769 25.6v49.23077c0 13.784615 11.815385 25.6 23.630769 25.6h220.553846c13.784615 0 23.630769-11.815385 23.630769-25.6V64.984615c1.969231-13.784615-9.846154-25.6-23.630769-25.6z m336.738462 0H738.461538c-13.784615 0-25.6 11.815385-25.6 25.6v49.23077c0 13.784615 11.815385 25.6 25.6 25.6h220.553847c13.784615-1.969231 25.6-11.815385 25.6-25.6V64.984615c0-13.784615-11.815385-25.6-25.6-25.6z m0 165.415385H334.769231c-13.784615 0-25.6-11.815385-25.6-25.6V64.984615c0-13.784615-11.815385-25.6-25.6-25.6H64.984615C51.2 39.384615 39.384615 51.2 39.384615 64.984615v896c0 11.815385 11.815385 23.630769 25.6 23.63077h894.03077c13.784615 0 25.6-11.815385 25.6-25.6v-728.615385c0-13.784615-11.815385-25.6-25.6-25.6z" p-id="1385"></path></svg>
+<svg width="128" height="128" xmlns="http://www.w3.org/2000/svg"><path d="M78.921.052H49.08c-1.865 0-3.198 1.599-3.198 3.464v6.661c0 1.865 1.6 3.464 3.198 3.464h29.84c1.865 0 3.198-1.599 3.198-3.464V3.516C82.385 1.65 80.786.052 78.92.052zm45.563 0H94.642c-1.865 0-3.464 1.599-3.464 3.464v6.661c0 1.865 1.599 3.464 3.464 3.464h29.842c1.865-.266 3.464-1.599 3.464-3.464V3.516c0-1.865-1.599-3.464-3.464-3.464zm0 22.382H40.02c-1.866 0-3.464-1.599-3.464-3.464V3.516c0-1.865-1.599-3.464-3.464-3.464H3.516C1.65.052.052 1.651.052 3.516V124.75c0 1.598 1.599 3.197 3.464 3.197h120.968c1.865 0 3.464-1.599 3.464-3.464V25.898c0-1.865-1.599-3.464-3.464-3.464z"/></svg>