web: setup: Simplify the setup wizard and other cleanups

[hnez]

Previously the tacd presented every new user with a choice between two setup methods:

The "custom bundle" was however not yet implemented and only shows a respective message when selected.
I think the custom bundle method can be integrated into the normal wizard flow once we implement it, so there is no need to keep the selection page.

I've also added a bit more description text to each wizard page. See the screenshots below for reference:

or try it out yourself:

$ rm demo_files/srv/tacd/state.json # state file in git that turns setup mode off. Remove it
$ cd web
$ npm install .
$ npm run build
$ cd -
$ cargo run --features=demo_mode --no-default-features

[hnez]

Hey @rohieb,

I've added the instructions on how to ssh into the TAC at the end of setup now (see the last screenshot).

[rohieb]

Hey @rohieb,

I've added the instructions on how to ssh into the TAC at the end of setup now (see the last screenshot).

Wheee, thank you!