i18n sync (#223)

src/i18n/ja_JP.jsonc

@@ -77,6 +77,9 @@
   "term.enabled": "ON",
   "term.disabled": "OFF",
   "term.connect": "接続",
+  "term.connecting": "接続中",
+  "term.disconnect": "切断",
+  "term.authed": "認証済み",
   "term.confirm": "よろしいでしょうか？",
   "term.more": "もっと",
   "term.less": "減らす",
@@ -242,6 +245,7 @@
   "spatial.width" : "幅",
   "spatial.height" : "高さ",
   "spatial.depth" : "奥行",
+  "spatial.gain" : "ゲイン",
   "spatial.roomMaterials" : "部屋のマテリアル",
   "spatial.roomDimensions" : "部屋の大きさ",
   "spatial.roomPositions" : "部屋の位置",