added serial port settings card

cards/SerialCard.vue

@@ -0,0 +1,43 @@
+<template>
+    <q-card flat class="card" v-show="data.serial_visible">
+      <q-card-section>
+        <div class="text-h6">Serial port</div>
+      </q-card-section>
+      <q-card-section class="q-pt-none">
+        <div class="q-pa-md">
+          <div class="q-gutter-md q-pa-none q-pb-none">
+            <q-toggle v-model="data.serial_enab" label="Serial port enable" />
+            <q-select v-model="serialmodestr" :options="serialmodes" :map-options="true" :emit-value="true" label="Serial port mode"></q-select>          
+            <q-toggle v-model="data.serial_bridge" label="Enable bridge to MQTT" />
+            <q-input v-model="data.serial_baud" label="Baud rate" />
+            <q-input type="number" v-model="data.serial_break" label="Input data separate brake, ms" />
+          </div>
+        </div>
+      </q-card-section>
+      <CardActions :senddata="data"></CardActions>
+    </q-card>
+  </template>
+  
+  <script setup>
+  import { reactive, computed } from "vue";
+  import { PostData } from "components/webguicomp/network";
+  import CardActions from "components/webguicomp/CardActions.vue"
+  const init = {
+    serial_visible: false,
+    serial_enab: false,
+    serial_baud: 115200,
+    serial_mode: 1, 
+    serial_bridge: false,
+    serial_break: 50
+  }
+  const serialmodes = [
+    { label: 'UART', value: '1' },
+    { label: 'RS485', value: '2' }];
+  const serialmodestr = computed({
+    get() { return (data.serial_mode).toString() },
+    set(val) { data.serial_mode = Number(val); }
+  })
+  
+  const data = reactive(init);
+  PostData(data, 2, 0, null);
+  </script>