Add Walibi Belgium

[elstringer]

Rather than create a new issue, could you implement this yourself with a pull request? https://github.com/cubehouse/themeparks/wiki/Adding-New-Parks

Park Name Walibi Belgium

Park Android/iOS/Web Apps https://play.google.com/store/apps/details?id=com.adyax.walibi.android.wbe

Additional Information https://www.walibi.be/en

[cubehouse]

"Rather than create a new issue, could you implement this yourself with a pull request?"

Not sure what you're saying by quoting this from me, but it does still stand, I am very very very unlikely to implement new parks myself, please make a pull request adding the park yourself if you wish it to be added.

[elmarwouters]

Is this already on the list or on the planning?