fix(entry): improve error message formatting

- Relocate `util.parseArgs()` inside the main function for cleaner
  scoping
- Update `.catch` handlers in `index.ts` and `tts.ts` to wrap text to
  terminal width and colorize errors in red

tts.ts

@@ -180,6 +180,9 @@ async function main() {
 }
 
 main().catch((err) => {
-  console.error(err);
+  if ("message" in err) {
+    const [columns] = process.stderr.getWindowSize();
+    console.error(wrapAnsi(chalk.red(err.message), columns));
+  } else console.log(err);
   process.exit(1);
 });