chore: fix mapRslintTemplate comments

[elecmonkey]

To be honest, I don’t think the original behavior is improper, but it does not match the comment.

index.ts currently says:

/**
 * Map the template name to the Rslint template name.
 * If not provided, reuses mapESLintTemplate and falls back to 'vanilla-ts'.
 */
mapRslintTemplate?: (

this pr reuses mapESLintTemplate first.

[Timeless0911]

There's no problem with any Rspress template using react-ts tpl of lint tools. Why this change?

[elecmonkey]

There's no problem with any Rspress template using react-ts tpl of lint tools. Why this change?

It's no relations to Rspress. comment says mapRslintTemplate will reuses mapESLintTemplate (if not provided) but it actually not.

[Timeless0911]

Oh, it's create-rstack repo. I think we do not need to use mapESLintTemplate as fallback, just falls back to 'vanilla-ts' is enough. @chenjiahan cc

[chenjiahan]

I prefer to fix the comment. LGTM