Clients can view their booking page in French, Dutch or English

[mhulet]

Is your feature request related to a problem? Please describe.
Clients have access to their booking page. This page is in French but some clients are Dutch or English-speaking.

Describe the solution you'd like
This public page should be available in 3 languages: French, English and Dutch.

Describe alternatives you've considered
Adding a Google Translate script.

Additional context

• The link would always go to the French version by default
• We will need a language menu somewhere at the top