Create same js/jquery animation effect as in example, on my wordpress page

Hello,

I have this wordpress page (made in elementor): https://chateau-de-montfort.com/histoire/
I need the SVG dashed line to appear and disappear on scroll. Exactly as on these pages:

https://www.diptyqueparis.com/fr_fr/c/le-grand-tour.html
https://www.optimeoo.fr/

Please say how much time you need for this job.
Thank you.