Not sure what you mean by "shortcut".
All apps on iPad live on the Home Screen or the App Library. If you don't see an app you want on the Home Screen, you can open the App Library and drag it from there to the Home Screen.
click here ➜ Find and use your apps in App Library on iPad - Apple Support
You can place your frequently used apps on the dock, by dragging them there.
click here ➜ Switch between apps on iPad - Apple Support
You can add apps to a specific Home Screen, like the first one, by dragging them there or add widgets for your apps to a Home Screen too to get info from them at a glance. You can then access an app by tapping in its widget.
click here ➜ Move apps and widgets on the iPad Home Screen - Apple Support
click here ➜ Customize apps and widgets on the iPad Home Screen - Apple Support
There is no concept of an app "shortcut" on an iPad. The iPad is not like a Windows PC with shortcuts on the desktop.