chore: move files to frontend

frontend/src/components/buttons/Share.vue

@@ -0,0 +1,17 @@
+<template>
+  <button @click="show" :aria-label="$t('buttons.share')" :title="$t('buttons.share')" class="action">
+    <i class="material-icons">share</i>
+    <span>{{ $t('buttons.share') }}</span>
+  </button>
+</template>
+
+<script>
+export default {
+  name: 'share-button',
+  methods: {
+    show () {
+      this.$store.commit('showHover', 'share')
+    }
+  }
+}
+</script>