Ship the hero as content: hero.js + site.yaml; docs

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

README.md

@@ -11,13 +11,14 @@ The full schema reference lives in
 this repo only notes what's distinctive here:
 
 - **`site.yaml`** rebrands the instance: title `redoal`, its own
-  wordmark, and a `gesture` hero — the landing page opens on a
+  wordmark, and a `module` hero — `hero.js` in this repo, the drifting
-  drawing canvas wired to `wss://relay.redoal.com` (the
+  "sine swings" band grown from lysbue's logo (pure SVG + CSS, colors
-  `redoal-relay` crate in [redoal/redoal](https://project.uhhm.no/redoal/redoal)),
+  from portal's own custom properties, still under
-  so visitors' similar strokes echo to each other live. The wordmark
+  prefers-reduced-motion). No input up there: the form's gesture
-  is white-stroked like uhhm's, because portal's light theme lands
+  canvas below is the one place a visitor draws. The wordmark is
+  white-stroked like uhhm's, because portal's light theme lands
   wordmarks as ink via an invert filter.
-- **`type: gesture`** on `index.yaml`'s "Our Understanding" — the
+- **`type: gesture`** on `index.yaml`'s "Draw a path and see who's near" — the
   pseudo edition of the network: draw a path, it becomes a real
   20-byte gesture key (computed by the relay with the canonical Rust
   pipeline), and the submitted answer stores `{points, key}` in the