Fix vtrd source link to https://vtrd.in/ (Developers + Test-Images, EN+RU) Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Developers: sc source = spectrumcomputing.co.uk (link + correct host) Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Add For-developers section + Developers page (pico-spec-catalog) New EN-Developers / Developers page documenting how pico-spec-catalog actually works and connects to pico-spec: HttpCatalogFs + catalog_host, serverless static GitHub-Pages tree (default) vs dynamic /v1 server, the .tsv tree layout + 4-column locator line format, the vtrd/sc/zxart adapters and daily-cron build. Linked from Home / English / _Sidebar under a new For-developers section. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>