add loading indicator to import (ST-149), change card divider color

resources/js/Components/LoadingSpinner.vue

@@ -0,0 +1,31 @@
+<script setup lang="ts">
+import { twMerge } from 'tailwind-merge';
+
+const props = defineProps<{
+    class?: string;
+}>();
+</script>
+
+<template>
+    <svg
+        :class="
+            twMerge('animate-spin -ml-1 mr-3 h-5 w-5 text-white', props.class)
+        "
+        xmlns="http://www.w3.org/2000/svg"
+        fill="none"
+        viewBox="0 0 24 24">
+        <circle
+            class="opacity-25"
+            cx="12"
+            cy="12"
+            r="10"
+            stroke="currentColor"
+            stroke-width="4"></circle>
+        <path
+            class="opacity-75"
+            fill="currentColor"
+            d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
+    </svg>
+</template>
+
+<style scoped></style>