feat(洗车): 新增洗车页面及相关功能

新增洗车页面，包括页面结构、样式和逻辑处理。支持显示进行中的洗车订单，并提供结算功能。同时，在首页添加了洗车订单的提示入口，方便用户查看订单状态

pages/washing/washing.wxss

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+.btn {
+  padding: 80rpx 100rpx 40rpx;
+}
+
+.spinner {
+  margin: 200rpx auto 80rpx;
+  width: 400rpx;
+  height: 400rpx;
+  position: relative;
+  border-radius: 400rpx;
+  border: 10rpx solid green;
+}
+
+.spinner .time {
+  font-family: 'Consolas', 'Lucida Console', 'DejaVu Sans Mono', monospace;
+  position: absolute;
+  width: 400rpx;
+  height: 320rpx;
+  padding-top: 80rpx;
+  text-align: center;
+  color: green;
+}
+
+.spinner .time text {
+  display: block;
+}
+.wangdian, .macid {
+ line-height: 2;
+ font-size: 40rpx;
+}
+.mactime {
+  font-size: 80rpx;
+  font-weight: 700;
+}
+
+.container1 > view, .container2 > view, .container3 > view, .container4 > view, .container5 > view {
+  width: 20rpx;
+  height: 20rpx;
+  background-color: green;
+  border-radius: 100%;
+  position: absolute;
+  -webkit-animation: bouncedelay 2.2s infinite ease-in-out;
+  animation: bouncedelay 2.2s infinite ease-in-out;
+  -webkit-animation-fill-mode: both;
+  animation-fill-mode: both;
+}
+.spinner .spinner-container {
+  position: absolute;
+  width: 100%;
+  height: 100%;
+}
+.container2 {
+  -webkit-transform: rotateZ(22.5deg);
+  transform: rotateZ(22.5deg);
+}
+.container3 {
+  -webkit-transform: rotateZ(45deg);
+  transform: rotateZ(45deg);
+}
+.container4 {
+  -webkit-transform: rotateZ(67.5deg);
+  transform: rotateZ(67.5deg);
+}
+.container5 {
+  -webkit-transform: rotateZ(90deg);
+  transform: rotateZ(90deg);
+}
+
+.circle1 { top: 0; left: 0; }
+.circle2 { top: 0; right: 0; }
+.circle3 { right: 0; bottom: 0; }
+.circle4 { left: 0; bottom: 0; }
+.container1 .circle1 {
+  -webkit-animation-delay: -2s;
+  animation-delay: -2s;
+}
+.container2 .circle1 {
+  -webkit-animation-delay: -1.9s;
+  animation-delay: -1.9s;
+}
+.container3 .circle1 {
+  -webkit-animation-delay: -1.8s;
+  animation-delay: -1.8s;
+}
+.container4 .circle1 {
+  -webkit-animation-delay: -1.7s;
+  animation-delay: -1.7s;
+}
+.container5 .circle1 {
+  -webkit-animation-delay: -1.6s;
+  animation-delay: -1.6s;
+}
+.container1 .circle2 {
+  -webkit-animation-delay: -1.5s;
+  animation-delay: -1.5s;
+}
+.container2 .circle2 {
+  -webkit-animation-delay: -1.4s;
+  animation-delay: -1.4s;
+}
+.container3 .circle2 {
+  -webkit-animation-delay: -1.3s;
+  animation-delay: -1.3s;
+}
+.container4 .circle2 {
+  -webkit-animation-delay: -1.2s;
+  animation-delay: -1.2s;
+}
+.container5 .circle2 {
+  -webkit-animation-delay: -1.1s;
+  animation-delay: -1.1s;
+}
+.container1 .circle3 {
+  -webkit-animation-delay: -1s;
+  animation-delay: -1s;
+}
+.container2 .circle3 {
+  -webkit-animation-delay: -0.9s;
+  animation-delay: -0.9s;
+}
+.container3 .circle3 {
+  -webkit-animation-delay: -0.8s;
+  animation-delay: -0.8s;
+}
+.container4 .circle3 {
+  -webkit-animation-delay: -0.7s;
+  animation-delay: -0.7s;
+}
+.container5 .circle3 {
+  -webkit-animation-delay: -0.6s;
+  animation-delay: -0.6s;
+}
+.container1 .circle4 {
+  -webkit-animation-delay: -0.5s;
+  animation-delay: -0.5s;
+}
+.container2 .circle4 {
+  -webkit-animation-delay: -0.4s;
+  animation-delay: -0.4s;
+}
+.container3 .circle4 {
+  -webkit-animation-delay: -0.3s;
+  animation-delay: -0.3s;
+}
+.container4 .circle4 {
+  -webkit-animation-delay: -0.2s;
+  animation-delay: -0.2s;
+}
+.container5 .circle4 {
+  -webkit-animation-delay: -0.1s;
+  animation-delay: -0.1s;
+}
+@-webkit-keyframes bouncedelay {
+  0%, 80%, 100% { -webkit-transform: scale(0.0) }
+  40% { -webkit-transform: scale(2.0) }
+}
+@keyframes bouncedelay {
+  0%, 80%, 100% {
+    transform: scale(0.0);
+    -webkit-transform: scale(0.0);
+  } 40% {
+    transform: scale(2.0);
+    -webkit-transform: scale(2.0);
+  }
+}
+
+