feat: Add svelte to the default sortExports option

[melMass]

Description

The whole defaults are pretty good I just had to specify sortFirst to fully fit my needs but one small issue is the default sortExports, it's "missing" the svelte one before default which makes publint (rightfully) complain:

@mtb/svelte-core lint results:
Errors:
1. pkg.exports["./inputs"].default should be the last in the object so it doesn't tak
e precedence over the keys following it.
2. pkg.exports["./menus"].default should be the last in the object so it doesn't take
 precedence over the keys following it.
3. pkg.exports["./spinners"].default should be the last in the object so it doesn't t
ake precedence over the keys following it.
4. pkg.exports["./stores"].default should be the last in the object so it doesn't tak
e precedence over the keys following it.
5. pkg.exports["./viz"].default should be the last in the object so it doesn't take p
recedence over the keys following it.

Suggested Solution

Use this as default:

"sortExports": [
  "types",
  "node-addons",
  "node",
  "browser",
  "import",
  "require",
  "svelte",
  "development",
  "production",
  "default"
],

Optional comments

I'm not 100% sure how much of these extra key exist and if it makes sense to add them to defaults if there are many...
A better approach I can think of is a new config like exportDefaultAlwaysLast: true or similar

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