Add i18next framework to enable further contributions (#96)

* prototype

* Update with comments and type safety

src/locales/en/menu.ts

@@ -0,0 +1,13 @@
+/**
+ * The menu namespace holds most miscellaneous text that isn't directly part of the game's
+ * contents or directly related to Pokemon. This includes menu navigation, settings,
+ * account interactions, etc.
+ */
+export const menu = {
+    "cancel": "Cancel",
+    "continue": "Continue",
+    "dailyRun": "Daily Run (Beta)",
+    "loadGame": "Load Game",
+    "newGame": "New Game",
+    "selectGameMode": "Select a game mode."
+} as const;

src/locales/it/menu.ts

@@ -0,0 +1,8 @@
+export const menu = {
+    "cancel": "Annulla",
+    "continue": "Continua",
+    "newGame": "Nuova Partita",
+    "loadGame": "Carica Partita",
+    "dailyRun": "Corsa Giornaliera (Beta)",
+    "selectGameMode": "Seleziona una modalità di gioco."
+} as const;