feat: add support for {#snippet} and {@render}

[ota-meshi]

No description provided.

[changeset-bot]

🦋 Changeset detected

Latest commit: 18abf37

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

This PR includes changesets to release 1 package

Name	Type
svelte-eslint-parser	Minor

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[coveralls]

Pull Request Test Coverage Report for Build 6925309205

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• 63 of 63 (100.0%) changed or added relevant lines in 7 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.1%) to 91.361%

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Totals
Change from base Build 6901776316:	0.1%
Covered Lines:	2386
Relevant Lines:	2525

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💛 - Coveralls

[baseballyama]

I'm not sure what happened but I got the error.

{#snippet foo()}
{/snippet}
{@render foo()}

[ota-meshi]

It looks like it was parsed as a script. I fixed that problem.
https://github.com/sveltejs/svelte-eslint-parser/pull/431/files#diff-b810ab3f8ba223db59f73654ff3e01197b13b46119c2ddc91568cf29b53683aeR92