DOCS Infrastructure improve devcontainer

Author: gabriel-rh

.devcontainer/devcontainer.json

@@ -4,7 +4,7 @@
   "image": "mcr.microsoft.com/vscode/devcontainers/ruby:2.7",
   //"image": "quay.io/rhn_support_gmcgoldr/vscode-ruby27-asciibinder",
 
-  "postCreateCommand": "gem install asciidoctor asciidoctor-diagram ascii_binder && asciibinder build --distro=openshift-enterprise && BR=\"$(git branch --show-current)\" && cd _preview &&  ln -s openshift-enterprise/$BR/welcome/index.html openshift-enterprise/index.html && ruby -run -ehttpd . -p8000&"
+  "postCreateCommand": "gem install asciidoctor asciidoctor-diagram ascii_binder && asciibinder build --distro=openshift-enterprise && BR=\"$(git branch --show-current)\" && cd _preview && ln -s openshift-enterprise/$BR/welcome/index.html openshift-enterprise/index.html && ruby -run -ehttpd . -p8000"
   //"postCreateCommand": "asciibinder build --distro=openshift-enterprise && cd _preview/openshift-enterprise/main &&  ln -s welcome/index.html index.html && ruby -run -ehttpd . -p8000"
 
   // Features to add to the dev container. More info: https://containers.dev/features.a