Implement delete note

src/client/app/desktop/views/components/notes.note.vue

@@ -41,7 +41,8 @@
 				</p>
 				<div class="content" v-show="p.cw == null || showContent">
 					<div class="text">
-						<span v-if="p.isHidden" style="opacity: 0.5">(この投稿は非公開です)</span>
+						<span v-if="p.isHidden" style="opacity: 0.5">%i18n:@private%</span>
+						<span v-if="p.deletedAt" style="opacity: 0.5">%i18n:@deleted%</span>
 						<a class="reply" v-if="p.reply">%fa:reply%</a>
 						<mk-note-html v-if="p.text && !canHideText(p)" :text="p.text" :i="$store.state.i" :class="$style.text"/>
 						<a class="rp" v-if="p.renote">RP:</a>