Amend: GITEA_ is a reserved Actions secret-name prefix

README.md

@@ -161,14 +161,26 @@ Question            id (doubles as the URL path), name, description,
                     accept (file), resource + id_field (select options),
                     bind {field, param, resource} (load this field's
                     value from a resource whenever the named sibling
-                    changes - {param} templates into a url source's path)
-      ResourceSpec  source (kv | gitea_starred | gitea_org_repos | url),
+                    changes - {param} templates into a url source's path),
+                    relay (gesture only - ws(s):// redoal-relay URL)
+      ResourceSpec  source (kv | gitea_starred | gitea_org_repos |
+                    gitea_releases | url),
                     key, public, requires_group, transitions[{from, to, label}],
                     jq (reshape filter)
 ```
 
 Requirement `type`: `text` (default), `textarea`, `email`, `tel`,
-`select`, `file`, `prosekit` (rich text), or any HTML input type.
+`select`, `file`, `prosekit` (rich text), `gesture` (draw a stroke on
+a canvas; submits `{points, key}` - with `relay` set it announces the
+stroke to a redoal-relay and shows echoes of similar strokes; mark it
+`optional: true`, hidden inputs skip HTML required-validation), or any
+HTML input type.
+
+A repo may also carry an optional `site.yaml` at its root (sibling of
+`aggregates.yaml`) declaring instance branding: `title`, `wordmark`
+(image URL), and `hero {kind: yes | gesture | plain, relay}` for the
+landing page. Absent file = the historical uhhm look (YES canvas,
+/wordmark.svg).
 
 `self_transition` is the anonymous, single-record counterpart to a
 review resource's transitions — fireable by whoever holds one specific