chore: remove noisy output and update text about svelte-add

[benmccann]

Rather than telling people about a web page, we should try to help them remember what the command is

It also removes the noisy output, which just buries the info we want people to see. People aren't going to remember those URLs when they want to find the docs. They'll just google it.

[changeset-bot]

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Latest commit: 9bdd459

The changes in this PR will be included in the next version bump.

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create-svelte	Patch

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[manuel3108]

Actually, I think there might be a possibility for a small improvement here.

If a user runs create-svelte in another directory than his cwd (by specifying it in the command line, or by answering the appropriate question) we could directly indicate the user that he needs to do the same for svelte-add by changing the suggested command to

npx svelte-add --path ./user/selected/path

[benmccann]

I honestly didn't know that question existed because I've always run it as npm create svelte myapp. I don't know that I'd necessarily want to print npx svelte-add --path myapp in that case though. It kind of takes away from the snappiness of trying to get people to remember npx svelte-add by making it something that's too long to remember. And we also already print that the next steps should include cp myapp in which case you wouldn't want --path myapp anyway