feat(Pagination): new component

Resolves #11

playground/app.vue

@@ -29,6 +29,7 @@ const components = [
   'link',
   'modal',
   'navigation-menu',
+  'pagination',
   'popover',
   'radio-group',
   'separator',

playground/pages/pagination.vue

@@ -0,0 +1,7 @@
+<script setup lang="ts">
+const page = ref(5)
+</script>
+
+<template>
+  <UPagination v-model:page="page" :total="100" :sibling-count="1" show-edges />
+</template>