Add extra prerequisite in order to develop under windows

[JurrianFahner]

I'm a newbie on Tauri development. And I was trying to get started, but got stuck. I used the powershell method.

The default toolchain I had configured (gnu) is not compatible with the getting started guide. However it is assumed that the msvc toolchain is set as default. When I did configure the msvc toolchain, the problems were resolved.

Maybe it also needs to be added in the powershell script. Where it is mentioned that it is important to install tauri-cli and trunk.

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[FabianLars]

Thank you! I think we should make that clear on the actual install step. This way users wouldn't end up with 2 toolchains installed either. What do you think?

[JurrianFahner]

Thank you! I think we should make that clear on the actual install step. This way users wouldn't end up with 2 toolchains installed either. What do you think?

I think we need to assume that the user would start with rust today. If somebody starts today the person will go to https://www.rust-lang.org/tools/install and needs to download rustup-init.exe.

If you leave everything as default it will lead to the following configuration (I used a clean windows 11 system to test it):

So I think the nominal case wouldn't lead to problems. However for a more experienced rust user who has played a while with rust already and who somehow uses a different toolchain, it is important that this user can find the solution to configure the right toolchain.

So I don't think we need to make it clear in the actual install step (because the nominal case wouldn't lead to a problem). Since it is an edge case I updated the docs, so a user can check whether the proper toolchain is selected.

[FabianLars]

So I don't think we need to make it clear in the actual install step (because the nominal case wouldn't lead to a problem)

It's actually not that uncommon for some reason. Maybe rustup detects existing mingw installations or something. But anyway, it's too common to not have a note that asks users to make sure msvc is selected at install time already. This can be a separate PR but if we integrate it here we could refactor your new section to be explicit about the "If you already have Rust installed make sure msvc is the default" stuff

[JurrianFahner]

@FabianLars I think your comment has been implemented, can you have a second look?

[FabianLars]

thank you