add explanation to why post is muted for sensitive muting

src/components/status/status.vue

@@ -30,6 +30,12 @@
             :at="false"
           />
         </small>
+        <small
+          v-if="muteSensitiveStatuses && status.nsfw"
+          class="mute-thread"
+        >
+          {{ $t('status.sensitive_muted') }}
+        </small>
         <small
           v-if="showReasonMutedThread"
           class="mute-thread"

src/i18n/en.json

@@ -1075,6 +1075,7 @@
     "external_source": "External source",
     "thread_muted": "Thread muted",
     "thread_muted_and_words": ", has words:",
+    "sensitive_muted": "Muting sensitive content",
     "show_full_subject": "Show full subject",
     "hide_full_subject": "Hide full subject",
     "show_content": "Show content",