- Commented out the "Posts" link in the navigation menu.
- Changed projects page title to "Project Portfolio" and increased list gap to 3rem.
- Added new project summary for "HiveMQ Data Hub Scripting".
- Appended "(personal)" to personal project titles for clarity.
- Made `image` prop optional in `ProjectSummary` component and added conditional rendering.
- Removed image from "Endolingual" project summary.
- Lightened `--border-color` CSS variable to `oklch(40% 0 0)`.
- Added border styling to project images.
- Added padding to project description paragraphs.