Update tutorials to always have a name

Author: patrick91

docs_src/subcommands/name_help/tutorial002.py

@@ -3,7 +3,7 @@
 app = typer.Typer()
 
 users_app = typer.Typer()
-app.add_typer(users_app)
+app.add_typer(users_app, name="users")
 
 
 @users_app.callback()

docs_src/subcommands/name_help/tutorial003.py

@@ -9,7 +9,7 @@ def users():
     """
 
 
-users_app = typer.Typer(callback=users)
+users_app = typer.Typer(callback=users, name="users")
 app.add_typer(users_app)
 
 

docs_src/subcommands/name_help/tutorial004.py

@@ -10,7 +10,7 @@ def old_callback():
 
 
 users_app = typer.Typer(callback=old_callback)
-app.add_typer(users_app)
+app.add_typer(users_app, name="users")
 
 
 @users_app.callback()

docs_src/subcommands/name_help/tutorial005.py

@@ -9,7 +9,7 @@ def old_callback():
     """
 
 
-users_app = typer.Typer(callback=old_callback)
+users_app = typer.Typer(callback=old_callback, name="users")
 
 
 def new_users():
@@ -18,7 +18,7 @@ def new_users():
     """
 
 
-app.add_typer(users_app, callback=new_users)
+app.add_typer(users_app, callback=new_users, name="new-users")
 
 
 @users_app.callback()