#150 - empty states (#160)

* #150 - added base for empty states

* #150 - added empty states to subpages

* #150 - added empty states for the widget: vacation requests

disabled "see more" button when no results are available

* Update resources/js/Pages/Holidays/Index.vue

Removed emoji from text

Co-authored-by: Krzysztof Rewak <krzysztof.rewak@gmail.com>

* #150 - added empty state for key page

* #150 - added empty state for user vacation request widget

* #31 - title corrected

Co-authored-by: Krzysztof Rewak <krzysztof.rewak@gmail.com>

resources/js/Shared/Feedbacks/EmptyState.vue

@@ -0,0 +1,21 @@
+<template>
+  <div class="text-center my-5">
+    <slot name="head">
+      <SearchIcon class="mx-auto w-12 h-12" />
+    </slot>
+    <h3 class="mt-2 text-sm font-medium">
+      <slot name="title">
+        No search result
+      </slot>
+    </h3>
+    <p class="text-sm text-gray-500">
+      <slot name="text">
+        Try a different search query
+      </slot>
+    </p>
+  </div>
+</template>
+
+<script setup>
+import { SearchIcon } from '@heroicons/vue/solid'
+</script>