Merge pull request #108 from nikolito/main

Japanese translation

src/i18n/message_ja.json

@@ -0,0 +1,10 @@
+{
+  "Add a comment...": "コメントを追加する...",
+  "Add a reply...": "返信する...",
+  "Add tag...": "タグを追加する...",
+  "Cancel": "キャンセル",
+  "Close": "閉じる",
+  "Edit": "編集",
+  "Delete": "削除",
+  "Ok": "Ok"
+}