Fix slug - Adding custom headers to your Store Framework store

[barbara-celi]

Types of changes

• New content (guides, endpoints, app documentation)
• Improvement (make a documentation even better)
• Fix (fix a documentation error)
• Spelling and grammar accuracy (self-explanatory)

[github-actions]

Preview Links

Open this URL to set up the portal with this branch changes.

You can now access the edited pages with the following URLs:

• Couldn't find the corresponding page for docs/guides/vtex-io/Storefront-Guides/vtex-io-documentation-adding-custom-headers-to-your-store-framework-store.md. Have you added vtex-io-documentation-adding-custom-headers-to-your-store-framework-store to the navigation.json file? Maybe you can find it in https://developers.vtex.com/docs/guides/vtex-io-documentation-adding-custom-headers-to-your-store-framework-store

[github-actions]

Navigation Preview Link

No changes detected in the navigation.json file

[github-actions]

[markdownlint] _{reported by reviewdog 🐶}
MD029/ol-prefix Ordered list item prefix [Expected: 1; Actual: 5; Style: 1/1/1]

dev-portal-content/docs/guides/vtex-io/Storefront-Guides/vtex-io-documentation-adding-custom-headers-to-your-store-framework-store.md

Line 40 in 9a3d56e

5. Complete the fields based on the [Security Response Headers](#security-response-headers) and the following guidelines:

[github-actions]

[markdownlint] _{reported by reviewdog 🐶}
MD029/ol-prefix Ordered list item prefix [Expected: 1; Actual: 6; Style: 1/1/1]

dev-portal-content/docs/guides/vtex-io/Storefront-Guides/vtex-io-documentation-adding-custom-headers-to-your-store-framework-store.md

Line 53 in 9a3d56e

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