Pagination component improvements (#198)

* Adds page change event (#189)

Adds first and last pagination items

Co-authored-by: gassio <gassiogi@gmail.com>

* feat: Pagination component refactoring

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Co-authored-by: gassio <gassioglou@gmail.com>
Co-authored-by: gassio <gassiogi@gmail.com>

docs/components/pagination/examples/PaginationWithCustomSlice.vue

@@ -1,5 +1,5 @@
 <template>
-  <div class="vp-raw">
+  <div class="vp-raw flex items-center justify-center">
     <Pagination v-model="currentPage" :total-pages="100" :slice-length="4"></Pagination>
   </div>
 </template>