docs: Fix master to main redirect (#11782)

* Fix master to main redirect

* copy 404.html to root

* use main as default branch

Co-authored-by: Julien Robert <julien@rbrt.fr>

Makefile

@@ -202,6 +202,7 @@ build-docs:
 		mkdir -p ~/output/$${path_prefix} ; \
 		cp -r .vuepress/dist/* ~/output/$${path_prefix}/ ; \
 		cp ~/output/$${path_prefix}/index.html ~/output ; \
+		cp ~/output/$${path_prefix}/404.html ~/output ; \
 	done < versions ;
 	@echo $(DOCS_DOMAIN) > ~/output/CNAME
 

docs/.vuepress/enhanceApp.js

@@ -4,5 +4,6 @@ export default ({ router }) => {
     { path: '/main/spec/governance/', redirect: '/main/modules/gov/' },
     { path: '/v0.41/', redirect: '/v0.42/' },
     { path: '/v0.43/', redirect: '/v0.44/' },
+    { path: '/master/', redirect: '/main/' },
   ])
 }

docs/versions

@@ -1,3 +1,3 @@
-main              main
 release/v0.44.x     v0.44
 release/v0.45.x     v0.45
+main              main