[loc] add placeholder loc entries

src/locales/de/starter-select-ui-handler.json

@@ -2,6 +2,7 @@
   "confirmStartTeam": "Mit diesen Pokémon losziehen?",
   "confirmExit": "Willst du zurück?",
   "invalidParty": "Das ist kein gültiges Team!",
+  "emptyParty": "Press Space or Z to add Pokémon to your party.\nPress ENTER or Start to start the run.",
   "gen1": "I",
   "gen2": "II",
   "gen3": "III",

src/locales/es/starter-select-ui-handler.json

@@ -1,6 +1,8 @@
 {
   "confirmStartTeam": "¿Comenzar con estos Pokémon?",
+  "confirmExit": "Do you want to exit?",
   "invalidParty": "¡Este equipo no es válido!",
+  "emptyParty": "Press Space or Z to add Pokémon to your party.\nPress ENTER or Start to start the run.",
   "gen1": "I",
   "gen2": "II",
   "gen3": "III",

src/locales/fr/starter-select-ui-handler.json

@@ -2,6 +2,7 @@
   "confirmStartTeam": "Commencer avec ces Pokémon ?",
   "confirmExit": "Êtes-vous sûr·e de vouloir quitter ?",
   "invalidParty": "Cette équipe de départ est invalide !",
+  "emptyParty": "Press Space or Z to add Pokémon to your party.\nPress ENTER or Start to start the run.",
   "gen1": "1G",
   "gen2": "2G",
   "gen3": "3G",

src/locales/it/starter-select-ui-handler.json

@@ -2,6 +2,7 @@
   "confirmStartTeam": "Vuoi iniziare con questi Pokémon?",
   "confirmExit": "Vuoi tornare alla schermata principale?",
   "invalidParty": "Questo squadra iniziale non è valida!",
+  "emptyParty": "Press Space or Z to add Pokémon to your party.\nPress ENTER or Start to start the run.",
   "gen1": "1ª",
   "gen2": "2ª",
   "gen3": "3ª",

src/locales/ja/starter-select-ui-handler.json

@@ -2,6 +2,7 @@
   "confirmStartTeam": "この手持ちで　始めますか？",
   "confirmExit": "終了しますか？",
   "invalidParty": "手持ちは　チャレンジの　条件で　認められない！",
+  "emptyParty": "Press Space or Z to add Pokémon to your party.\nPress ENTER or Start to start the run.",
   "gen1": "1世代",
   "gen2": "2世代",
   "gen3": "3世代",

src/locales/ko/starter-select-ui-handler.json

@@ -2,6 +2,7 @@
   "confirmStartTeam": "이 포켓몬들로 시작하시겠습니까?",
   "confirmExit": "나가시겠습니까?",
   "invalidParty": "스타팅 포켓몬 파티에 적합하지 않습니다!",
+  "emptyParty": "Press Space or Z to add Pokémon to your party.\nPress ENTER or Start to start the run.",
   "gen1": "1세대",
   "gen2": "2세대",
   "gen3": "3세대",

src/locales/pt_BR/starter-select-ui-handler.json

@@ -2,6 +2,7 @@
   "confirmStartTeam": "Começar com esses Pokémon?",
   "confirmExit": "Deseja sair?",
   "invalidParty": "Essa equipe de iniciais não é válida!",
+  "emptyParty": "Press Space or Z to add Pokémon to your party.\nPress ENTER or Start to start the run.",
   "gen1": "G1",
   "gen2": "G2",
   "gen3": "G3",

src/locales/zh_CN/starter-select-ui-handler.json

@@ -2,6 +2,7 @@
   "confirmStartTeam": "使用这些宝可梦开始游戏吗？",
   "confirmExit": "确定要退出吗？",
   "invalidParty": "初始队伍不可用！",
+  "emptyParty": "Press Space or Z to add Pokémon to your party.\nPress ENTER or Start to start the run.",
   "gen1": "I",
   "gen2": "II",
   "gen3": "III",

src/locales/zh_TW/starter-select-ui-handler.json

@@ -2,6 +2,7 @@
   "confirmStartTeam": "使用這些寶可夢開始嗎？",
   "confirmExit": "確定要退出嗎？",
   "invalidParty": "此為無效隊伍！",
+  "emptyParty": "Press Space or Z to add Pokémon to your party.\nPress ENTER or Start to start the run.",
   "gen1": "I",
   "gen2": "II",
   "gen3": "III",