chore: set vite to be optional

[StarFishing]

Description

Additional context

If vite is not necessary, can use this PR

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What is the purpose of this pull request?

• Bug fix
• New Feature
• Documentation update
• Other

Before submitting the PR, please make sure you do the following

• Read the Contributing Guidelines.
• Read the Pull Request Guidelines and follow the PR Title Convention.
• Check that there isn't already a PR that solves the problem the same way to avoid creating a duplicate.
• Provide a description in this PR that addresses what the PR is solving, or reference the issue that it solves (e.g. fixes #123).
• Ideally, include relevant tests that fail without this PR but pass with it.

[ArnaudBarre]

I don't understand what's the usecase for using this plugin wihtout Vite?

[StarFishing]

I don't understand what's the usecase for using this plugin wihtout Vite?

Used in conjunction with vitest as plugins. I'm not sure if this is appropriate.

[ArnaudBarre]

Vitest is using Vite under the hood (that's why you can use vite plugins).

BTW for testing only this plugin my not be necessary if you don't use babel plugins as esbuild will take care of jsx.