fix broken links on the homepage

[techinpark]

Related issue

Is it related to any opened issue?

Description

This PR addresses the problem of broken links on the homepage by updating the URLs to their correct paths.

Changes

List specific changes made in this PR.

• Updated URL for the 'Design Token' link to '/docs/guides/design-token'

Review Checklist

• Testing: Have you tested your changes, including unit tests and integration tests for affected code?
• Breaking Changes: Does this change introduce breaking changes affecting existing code or users?
• Documentation Updates: Are all relevant documentation files (e.g. README, API docs) updated to reflect the changes in this PR?
• Website Updates: Is the website containing the updates you make on documentation?

Impacted Packages

Please indicate which packages in our project are affected by these changes:

• mix
• mix_lint
• mix_builder
• documentation

Additional Information (optional)

Is there any additional context or documentation that might be helpful for reviewers?

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Name	Status	Preview	Comments	Updated (UTC)
mix-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 19, 2024 6:31am

[leoafarias]

LGTM