refactor(cli): integrate i18n support across commands

- Centralize CLI text strings using the i18n module for localization
- Refactor `createCommand` and `createCli` to improve modularity
- Update logging and error messages to use translated strings

src/cli/mod.ts

@@ -0,0 +1,2 @@
+export { createCommand } from './create.ts';
+export { createCli } from './main.ts';