Build a stock photos, videos downloads website

Looking to develop a website where people can download free and paid stock photos, psd templates, videos, icons, vectors etc.

Full details can be found here:
https://docs.google.com/document/d/1-f_Clks62Ec_HgcGY_uZv1I7PtKPhwWl29RUqz6ABcs/edit?usp=sharing

Please check the description completely before bidding. I will also need your help in choosing suitable technology stack for this project.