fix: make Studio logo redirect to AsyncAPI website

[raghava-0650]

Description

• Made the Studio logo in the top-left corner clickable.
• Clicking the logo now redirects users to the AsyncAPI main website.
• This aligns with common UX expectations for branded applications.

Related issue(s)

Fixes #1252

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Latest commit: 7736b64

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[AayushSaini101]

@raghava-0650 can you share the screenshots before and after the changes ?