Add home navigation button and improve account page UI

Enhances the account page navigation by adding a "Back to home" button and improving the overall user experience with better visual hierarchy and navigation flow.

Changes:
- Add home navigation button to account page with green icon
- Update logout button styling with red icon for visual emphasis
- Improve settings button label clarity
- Fix settings cancel button to navigate back to account page
- Increase account icon size in page header
- Update translation keys for consistency across EN/HR

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/ui/UserSettingsForm.tsx

@@ -356,7 +356,7 @@ const FormFields: FC<FormFieldsProps> = ({ userSettings, errors, message }) => {
                         t("save-button")
                     )}
                 </button>
-                <Link className={`btn btn-neutral w-[5.5em] ml-3 ${pending ? "btn-disabled" : ""}`} href={`/${locale}/home`}>
+                <Link className={`btn btn-neutral w-[5.5em] ml-3 ${pending ? "btn-disabled" : ""}`} href={`/${locale}/home/account`}>
                     {t("cancel-button")}
                 </Link>
             </div>