make ipa file from my flutter project and upload to my apple appstore account. put in a valid price. write ipa as your first word in your bid. you will have to provide a video showing how you did it from start to finish for me to see. i am looking for a good price. also send the source of the whole project back to me after making the ipa file. you will have to provide a video showing how you did it. the main purpose is for me to understand how it's done and to be able to do it on a new macos laptop by myself using your instructions.