If you’re a user of TextExpander on the Mac or iOS, you should be well-acquainted with the idea of typing a brief shortcut to get a large mass of text. For everyone else, iOS 5 now offers something similar, baked right into the OS and ready for use in any application. To get started, simply open the Settings app, tap on General, then scroll down and tap on Keyboard. At the bottom of that page you’ll see a section labeled “Shortcuts”,…