Service

Settings

Go to Appearance >> Customize >> Service

Add Category

Service >> Category Service >> Insert Name

Add Service

Go to Service >> Add new Service

Edit with Elementor

Sidebar in Service

Go to Appearance >> Widgets >> Service Sidebar

You can find ID of shortcode in Templates of Elements by Go to Templates >> Elements >> edit a template

Customize template in child theme

Copy files in folder plugins/ova-sev/templates/ to folder themes/solume-child/ovasev-templates/

Note: you have to create "ovasev-templates" folder in child theme.