Could someone add subject line line to email contact form pages on my javascript website and make it accept attachments to be sent along email, please?

Hi I have a small website and I need the contact pages, bank contact pages have subject line added and make it possible to accept attachment. I give you access to my webhosting and you can work online. thank you. I award the lowest bid and I report fake bids or those who ignore the information of project budget set by me. thank you for your understanding.