If you will do it, you just have to keep in mind that conflicts can happen easily if the slug for your custom post type is the same as a page or post's slug.
If you are not too experienced with WordPress coding, I would leave it on your place, as this is more connected to the core of WordPress then a theme.
Comments
This would be tricky. You would have to modify the Apollo13 Framework Extensions plugin, similar to how it is explained here https://wordpress.stackexchange.com/a/263428
If you will do it, you just have to keep in mind that conflicts can happen easily if the slug for your custom post type is the same as a page or post's slug.
If you are not too experienced with WordPress coding, I would leave it on your place, as this is more connected to the core of WordPress then a theme.
With kind regards.