Docs: Fix custom render function typo

[Rohan5commit]

Related issue: none. This is a documentation-only typo fix.

What I did

• Fixed a typo in the Svelte custom rendering docs by changing render fuction to render function.

Checklist for Contributors

Testing

The changes in this PR are covered in the following automated tests:

• stories
• unit tests
• integration tests
• end-to-end tests

Manual testing

No manual testing required for this one-word documentation fix.

Documentation

• Add or update documentation reflecting your changes
• If you are deprecating/removing a feature, make sure to update MIGRATION.MD

Checklist for Maintainers

• When this PR is ready for testing, make sure to add ci:normal, ci:merged or ci:daily GH label to it to run a specific set of sandboxes. The particular set of sandboxes can be found in code/lib/cli-storybook/src/sandbox-templates.ts

• Make sure this PR contains one of the labels below:

  Available labels

• bug: Internal changes that fixes incorrect behavior.

• maintenance: User-facing maintenance tasks.

• dependencies: Upgrading (sometimes downgrading) dependencies.

• build: Internal-facing build tooling & test updates. Will not show up in release changelog.

• cleanup: Minor cleanup style change. Will not show up in release changelog.

• documentation: Documentation only changes. Will not show up in release changelog.

• feature request: Introducing a new feature.

• BREAKING CHANGE: Changes that break compatibility in some way with current major version.

• other: Changes that don't fit in the above categories.

🦋 Canary release

This PR does not have a canary release associated. You can request a canary release of this pull request by mentioning the @storybookjs/core team here.

core team members can create a canary release here or locally with gh workflow run --repo storybookjs/storybook publish.yml --field pr=<PR_NUMBER>

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: e4371a3a-c607-40e9-a93d-9a03af75e95a

📥 Commits

Reviewing files that changed from the base of the PR and between 90721f5 and 6c66b83.

📒 Files selected for processing (1)

• docs/writing-stories/index.mdx

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📝 Walkthrough

Walkthrough

A typo correction in the documentation for custom rendering in story configuration was fixed, changing "render fuction" to "render function" in a narrative section.

Changes

Cohort / File(s)	Summary
Documentation docs/writing-stories/index.mdx	Corrected typo in Custom rendering section: "render fuction" → "render function".

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

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[jonniebigodes]

@Rohan5commit appreciate you taking the time to put together this pull request and helping us improve the documentation by catching this small typo. Appreciate it 🙏 !

I've checked and all is good on my end.

Will gladly merge this once the checklist clears.

Hope you have a fantastic day.

Stay safe