application for selling horses using flutter

application for the sale of horses is as follows:
Horse Auction The user publishes an advertisement for the sale of horses and enters the following details:
Name
Father
Mother: Al-Badqari, Certificate: Is there or not?
Lifetime:
Course:
Safety :
Safety of jaws and lists:
Then he chooses the location, the cities
The application works in Arabic and English
An explanation file for the application idea is attached