Add Homepage Link to Documentation Site Header

[josephaw1022]

Summary
This feature adds a direct link to the Epinio homepage (https://epinio.io/) in the documentation site's top navbar. This improves navigation by allowing users to return to the main site from the documentation with a single click.

closes #405

[netlify]

✅ Deploy Preview for epinio-docs-staging ready!

Name	Link
🔨 Latest commit	ec9f380
🔍 Latest deploy log	https://app.netlify.com/sites/epinio-docs-staging/deploys/68167c26f67a980008dfd54d
😎 Deploy Preview	https://deploy-preview-406--epinio-docs-staging.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[krumware]

Enhancement request incoming!: Can you by chance add text with the same font as Community. "Epinio.io" or some other text you feel looks appropriate?
That will help the mobile version of the menu also look a little bit more clear than just the home icon.

[josephaw1022]

Enhancement request incoming!: Can you by chance add text with the same font as Community. "Epinio.io" or some other text you feel looks appropriate? That will help the mobile version of the menu also look a little bit more clear than just the home icon.

yeah I gotcha