Add more en and ja

app/javascript/mastodon/locales/en.json

@@ -49,6 +49,8 @@
   "column_header.pin": "Pin",
   "column_header.show_settings": "Show settings",
   "column_header.unpin": "Unpin",
+  "column.heading": "Misc",
+  "column.subheading": "Miscellaneous options",
   "column_subheading.navigation": "Navigation",
   "column_subheading.settings": "Settings",
   "compose_form.lock_disclaimer": "Your account is not {locked}. Anyone can follow you to view your follower-only posts.",

app/javascript/mastodon/locales/ja.json

@@ -49,6 +49,8 @@
   "column_header.pin": "ピン留めする",
   "column_header.show_settings": "設定を表示",
   "column_header.unpin": "ピン留めを外す",
+  "column.heading": "その他",
+  "column.subheading": "その他のオプション",
   "column_subheading.navigation": "ナビゲーション",
   "column_subheading.settings": "設定",
   "compose_form.lock_disclaimer": "あなたのアカウントは{locked}になっていません。誰でもあなたをフォローすることができ、フォロワー限定の投稿を見ることができます。",