feat(app): initial i18n stubbing

packages/app/src/i18n/zh.ts

@@ -0,0 +1,13 @@
+import { dict as en } from "./en"
+
+type Keys = keyof typeof en
+
+export const dict = {
+  "command.category.language": "\u8bed\u8a00",
+  "command.language.cycle": "\u5207\u6362\u8bed\u8a00",
+  "command.language.set": "\u4f7f\u7528\u8bed\u8a00: {{language}}",
+  "language.en": "\u82f1\u8bed",
+  "language.zh": "\u4e2d\u6587",
+  "toast.language.title": "\u8bed\u8a00",
+  "toast.language.description": "\u5df2\u5207\u6362\u5230{{language}}",
+} satisfies Partial<Record<Keys, string>>