Function escapeString

escapeString(bytes: string | ByteArray): ByteArray
Escapes special characters in a PDF string according to PDF specification. Escapes parentheses, backslashes, line feeds, and carriage returns.
Parameters
- bytes: string | ByteArray
  The byte array or string to escape.
Returns ByteArray
A new byte array with escaped characters.
Example
```
escapeString('Hello (World)') // Escapes the parentheses
```
- Defined in packages/pdf-lite/src/utils/escapeString.ts:16