Update `Japanese` translation

Currently translated at 20.9% (113 of 540 strings)

Translation: Wiki-Bot/Discord
Translate-URL: https://weblate.frisk.space/projects/wiki-bot/discord/ja/

i18n/ja.json

@@ -48,28 +48,28 @@
             " "
         ],
         "info": [
-            "",
-            "",
+            "インフォメーション",
+            "インフォ",
             " ",
             " ",
             " "
         ],
         "invite": [
-            "",
+            "招待",
             " ",
             " ",
             " ",
             " "
         ],
         "overview": [
-            "",
+            "概要",
             " ",
             " ",
             " ",
             " "
         ],
         "page": [
-            "",
+            "ページ",
             " ",
             " ",
             " ",