Add PrePilot data aggregation post

[maehr]

Summary

• add a blog post about the NAIF Track 2 and Track 3 PrePilot for data aggregation
• include the two slide images extracted from the DOCX
• date the post 2026-07-08 and include Track 3 as one of the three tags

Checks

• npm run format
• uv run quarto render

Note: Quarto render completed with the existing alias warning for team.html -> about.html.

[Copilot]

Pull request overview

Adds a new Quarto blog post to the NAIF website announcing and explaining the Track 2 / Track 3 PrePilot work on structured data packages for aggregation and extraction across Swiss HEI repositories.

Changes:

• Introduces a new post with full front matter metadata (title/subtitle, authors, category, tags, language, hero image).
• Documents the PrePilot motivation, objectives, workflow, and expected next steps.
• Adds and references two slide images as figures and as the post’s listing/hero image.

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