feat: 新增 switch 组件 onswitch-color 与 unswitch-color 属性

example/src/layouts/Layout.vue

@@ -150,7 +150,7 @@
           </li>
           <li class="layui-nav-item">
             <a href="javascript:void(0)">
-              <lay-switch v-model="isDark" class="switch">
+              <lay-switch v-model="isDark" class="switch" onswitch-color="rgba(255, 255, 255, 0.05)" unswitch-color="rgba(255, 255, 255, 0.05)">
                 <template #onswitch-icon>
                   <svg xmlns="http://www.w3.org/2000/svg" fill="rgba(60, 60, 60, .7)" aria-hidden="true" focusable="false" viewBox="0 0 24 24" class="vt-switch-appearance-moon"><path d="M12.1,22c-0.3,0-0.6,0-0.9,0c-5.5-0.5-9.5-5.4-9-10.9c0.4-4.8,4.2-8.6,9-9c0.4,0,0.8,0.2,1,0.5c0.2,0.3,0.2,0.8-0.1,1.1c-2,2.7-1.4,6.4,1.3,8.4c2.1,1.6,5,1.6,7.1,0c0.3-0.2,0.7-0.3,1.1-0.1c0.3,0.2,0.5,0.6,0.5,1c-0.2,2.7-1.5,5.1-3.6,6.8C16.6,21.2,14.4,22,12.1,22zM9.3,4.4c-2.9,1-5,3.6-5.2,6.8c-0.4,4.4,2.8,8.3,7.2,8.7c2.1,0.2,4.2-0.4,5.8-1.8c1.1-0.9,1.9-2.1,2.4-3.4c-2.5,0.9-5.3,0.5-7.5-1.1C9.2,11.4,8.1,7.7,9.3,4.4z"></path></svg>
                 </template>