Customize Bookly Wordpress plugin (2)

I would need to customize this Bookly Wordpress, available here [login to view URL] 1. In the admin page Bookly -> Services After clicking 'Add Service' there should be 2 additional fields - Description, that will contain the description of the service - Image, that will give the possibility to upload a service image of (upload functionality should work in the same way the other media can be uploaded on Wordpress) 2. The main page should not show immediately the form as it's done in here [login to view URL] The main page should show instead a list of ads (one ad per service). Each ad should have the image of the service on the left and the title and description of the service on the right. If more than 1 category is created in Bookly then it should be possible to filter the services based on the category. The main page should basically look like this other script [login to view URL] 3. Each ad should have a button 'Make an Appointment'. After clicking this button, the Bookly form will open below the ad without reloading the page (I assume Ajax is used). All the other services will be removed, but the service chosen will still be visible above the form. [login to view URL] It should be possible to go back to the previous screen if the button 'Make an Appointment' has been clicked accidentally. The Bookly form should open with the category and service already defaulted based on the service selected by the user. In other words modified version of the Bookly script should work like this other script [login to view URL] but after clicking Make an Appointment button, the Bookly form would be used. Please mention if you already have experience customising the Bookly plugin.