added checking for required fields to post request code in application
added checking for required fields to post request code in application

https://app.asana.com/0/202206849274532/223934343881578

kdilts/aaaa-capstone,deepdivedylan/aaaa-capstone,deepdivedylan/aaaa-capstone,kdilts/aaaa-capstone,deepdivedylan/aaaa-capstone,deepdivedylan/aaaa-capstone,kdilts/aaaa-capstone