add user creation using shell

app.py

@@ -288,5 +288,24 @@ def setup():
     print('application setup done')
 
 
+@application.cli.command("create_user")
+def shell_create_user():
+    name = input("User login: ")
+    email = input("User email: ")
+    while True:
+        password1 = getpass(prompt='Password: ')
+        password2 = getpass(prompt='Retype your password: ')
+        if password1 == password2:
+            break
+        print("The passwords dont match")
+    create_user(
+        name=name,
+        password=password1,
+        email=email,
+        is_admin=False
+    )
+    db.session.commit()
+
+
 if __name__ == "__main__":
     application.run(debug=True)