NepWalk prototype and flyer — sources

Signed-off clickable prototype (21 Sep 2026, decision A7) and the one-page flyer.

• prototype.template.html — the prototype; img/ holds its photos, credits.json their authors and licences (Wikimedia Commons).
• flyer/flyer.template.html — the flyer; flyer/*.jpg are screenshots of the prototype.
• python3 build.py → out/prototype.html and out/about.html, self-contained. Copy both to nepwalk-fe/public/ to publish at /prototype.html and /about.html.

The build is the source of truth for the screens in requirements.md §5.