refactor: overhaul Docusaurus command and generation

- Rework `hero docusaurus` command to use local `cfg` files
- Scan and export doctree collections during site generation
- Fix `baseUrl` redirect path handling in `index.tsx`
- Add cycle detection for `play.include` in playbooks
- Improve site config processing to prevent duplicate items

lib/core/playcmds/factory.v

@@ -7,7 +7,6 @@ import freeflowuniverse.herolib.biz.bizmodel
 import freeflowuniverse.herolib.web.docusaurus
 import freeflowuniverse.herolib.clients.openai
 
-
 // import freeflowuniverse.herolib.hero.publishing
 // import freeflowuniverse.herolib.threefold.grid4.gridsimulator
 // import freeflowuniverse.herolib.installers.sysadmintools.daguserver
@@ -51,7 +50,7 @@ pub fn run(args_ PlayArgs) ! {
 	bizmodel.play(mut plbook)!
 	doctree.play(mut plbook)!
 	docusaurus.play(mut plbook)!
-	openai.play(mut plbook)!
+	// openai.play(mut plbook)!
 
 	// slides.play(mut plbook)!
 	// base_install(play(mut plbook)!