feat(components): 添加面包屑

public/resource/loading.css

@@ -0,0 +1,90 @@
+.app-loading {
+  position: fixed;
+  left: 0;
+  top: 0;
+  z-index: -1;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  width: 100%;
+  height: 100%;
+}
+.app-loading_logo {
+  width: 128px;
+  height: 128px;
+}
+.app-loading__dot-wrapper {
+  width: 56px;
+  height: 56px;
+  margin: 36px 0;
+}
+.app-loading__dot {
+  position: relative;
+  height: 100%;
+  transform: rotate(45deg);
+  animation-name: loadingRotate;
+  animation-duration: 1.2s;
+  animation-iteration-count: infinite;
+  animation-timing-function: linear;
+}
+@keyframes loadingRotate {
+  to {
+    -webkit-transform: rotate(405deg);
+    transform: rotate(405deg);
+  }
+}
+@-webkit-keyframes loadingRotate {
+  to {
+    -webkit-transform: rotate(405deg);
+    transform: rotate(405deg);
+  }
+}
+.app-loading__dot > i {
+  position: absolute;
+  display: block;
+  width: 18px;
+  height: 18px;
+  background: #1890ff;
+  border-radius: 50%;
+  -webkit-transform: scale(0.75);
+  transform: scale(0.75);
+  transform-origin: 50% 50%;
+  opacity: 0.3;
+  animation: spinOpacity 1s infinite linear alternate;
+}
+@keyframes spinOpacity {
+  to {
+    opacity: 1;
+  }
+}
+@-webkit-keyframes spinOpacity {
+  to {
+    opacity: 1;
+  }
+}
+.delay-400 {
+  animation-delay: 0.4s !important;
+}
+.delay-800 {
+  animation-delay: 0.8s !important;
+}
+.delay-1200 {
+  animation-delay: 1.2s !important;
+}
+.left {
+  left: 0;
+}
+.right {
+  right: 0;
+}
+.top {
+  top: 0;
+}
+.bottom {
+  bottom: 0;
+}
+.app-loading_title {
+  font-size: 28px;
+  color: #646464;
+}