Adom Step - File Viewer

@@ -90,3 +90,13 @@ directly (no client-side STEP parsing).   — the canonical Babylon9 viewer adom-step renders into. - [`chip-fetcher`](https://wiki-ufypy5dpx93o.adom.cloud/apps/chip-fetcher)   — source of the manufacturer STEPs adom-step is tuned for.++## Contributing & forking — open source under the Adom org++**Adom STEP** is **open source** under the **adom** org on the [Adom Wiki](https://wiki.adom.inc/adom/adom-step). The full source lives in this page's repo — open the **Files** tab, or `adompkg install adom/adom-step` and edit. Third-party developers are welcome to modify it and contribute back.++**Contribute back to Adom — two paths**+1. **Pull request (preferred).** The wiki runs a PR-per-page flow: propose your change on this page and the maintainer reviews + merges it.+2. **Fork + breadcrumb.** Prefer your own fork or add-on? Publish it as your own wiki page, then drop a **breadcrumb on _this_ page** pointing at your fork:+   - Read trails: `GET https://wiki.adom.inc/api/v1/pages/adom-step/breadcrumbs`+   - Attach one from your fork's page targeting this anchor. The breadcrumb leaves a linked path back here so **Adom's AI can auto-discover your fork** — followable both ways.