Improve Solid quick start

[amirhhashemi]

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This PR improves the "quick start" page for Solid.js:

1. It recommends using the new Solid CLI instead of the old degit command. The new CLI is more beginner-friendly and offers additional features. Plus, the term "degit" might be confusing for new users.
2. It moves the section about the Solid Playground to the end of the page. Since the playground is not typically a way to start a project, I believe most users prefer to start a project locally. However, I'm open to feedback regarding this change.

Related issues & labels

• Closes [Content]:Replace degit into tiged to help people using https_proxy. #1177

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[klequis]

current: "An updated Node.js or Deno installation."

proposed: "A recent version of Node.js or Deno installed."

• you need Node or Deno 18.x or above but I assume putting the version number here in the doc is just another maintenance task.
• "updated" is less accurate than "recent"

Additionally: I use fnm (fast node manager) and when I create a new project I get a cryptic error message because I don't have a version of node specified for the project. I wouldn't be surprised if having a version below the minimum gave a cryptic message as well. I'm wondering if we can't help the reader a bit more.

I think the required node version is in the README of all the templates.It is >=18.x - I think. Could we direct the user there?

• I don't remember seeing the required node version anywhere in the docs but if already there that would be better.

BTW @amirhhashemi, it is really easy to nit pick other people's work so please know I like your contributions to solid-docs!

[amirhhashemi]

current: "An updated Node.js or Deno installation."
proposed: "A recent version of Node.js or Deno installed."

I agree.

I think the required node version is in the README of all the templates.It is >=18.x - I think. Could we direct the user there?

I couldn't find specific information either. If the minimum required version is indeed 18.x, it's worth noting that it has recently reached its end-of-life. Therefore, any recent version should be sufficient. Vite requires version 16 or higher, and Nitro recommends the latest LTS version.

We support three runtimes: Node, Bun, and Deno. Keeping all of them updated could be a maintenance burden. Until we have accurate information, I think recommending the latest LTS version is a reasonable approach.

If an outdated version is installed, users will likely encounter an error from the package manager or Node version manager.

@klequis