I am building a theme for my Drupal 8 site and I want to create a custom profile page with user information like this: http://bootsnipp.com/snippets/featured/profile-card but I can't find the correct template to override where I can have access to all the information needed like username, name, picture and for example his address. Also I can't find where is the user-edit form to change the HTML so I can display it as I want.
I am new to Drupal 8 theming and that's why my question may look kind of no sense. Thank you
EDIT (add more information)
So, I want to make my user's profile edit page to a two column layout where I can have the user base information like name and picture on left and on the right having the form to change the rest of the information like user and password. What is the best way to achieve that?