feat(layout): disable zoom

[dargmuesli]

Webapp should not allow zoom (except for the website version maybe).

[MohammadRehaanDev]

Could you explain the issue once?

[dargmuesli]

See #user-scalable, but it should work on modern browsers. Maybe like this instead:

* {
  touch-action: manipulation;
}

We may need to discuss this more internally, given the accessibility considerations in the red box of the section linked above, cc @Bobomify. But if you're looking for a hacktoberfest PR, I can accept that now already @MohammadRehaanDev.

[ekxnsh22005]

Hey!

I would like to work on this issue. Could you please assign it to me?