add nova

nova/resources/js/fields/Detail/MarkdownField.vue

@@ -0,0 +1,19 @@
+<template>
+  <PanelItem :index="index" :field="field">
+    <template #value>
+      <Excerpt :content="excerpt" :should-show="field.shouldShow" />
+    </template>
+  </PanelItem>
+</template>
+
+<script>
+export default {
+  props: ['index', 'resource', 'resourceName', 'resourceId', 'field'],
+
+  computed: {
+    excerpt() {
+      return this.field.previewFor
+    },
+  },
+}
+</script>