Add a new dashboard page.

webui/src/components/_commons/SkeletonBox.vue

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+<template>
+  <span
+    :style="{ height, width: computedWidth }"
+    v-bind:class="['SkeletonBox']"
+  />
+</template>
+
+<script>
+export default {
+  name: `SkeletonBox`,
+  props: {
+    maxWidth: {
+      default: 100,
+      type: Number
+    },
+    minWidth: {
+      default: 80,
+      type: Number
+    },
+    height: {
+      default: `2em`,
+      type: String
+    },
+    width: {
+      default: null,
+      type: String
+    }
+  },
+  computed: {
+    computedWidth () {
+      return this.width || `${Math.floor((Math.random() * (this.maxWidth - this.minWidth)) + this.minWidth)}%`
+    }
+  }
+}
+</script>
+
+<style scoped lang="scss">
+  .SkeletonBox {
+    display: inline-block;
+    position: relative;
+    vertical-align: middle;
+    overflow: hidden;
+    background-color: #E0E0E0;
+    border-radius: 4px;
+    &.dark{
+      background-color: #9E9E9E;
+    }
+    &::after {
+      position: absolute;
+      top: 0;
+      right: 0;
+      bottom: 0;
+      left: 0;
+      will-change: transform;
+      transform: translateX(-100%) translateZ(0);
+      background-image: linear-gradient(
+          90deg,
+          rgba(#fff, 0) 0,
+          rgba(#fff, 0.2) 20%,
+          rgba(#fff, 0.5) 60%,
+          rgba(#fff, 0)
+      );
+      // TODO - fix high cpu usage
+      // animation: shimmer 5s infinite;
+      content: '';
+    }
+    @keyframes shimmer {
+      from { transform: translateX(-100%) translateZ(0); }
+      to { transform: translateX(100%) translateZ(0); }
+    }
+  }
+</style>