Merging develop into main

• Review home page and concept index page
• Fix link to library
• Update instructions on how to contribute to documentation
• Ensure destination directory for MR deployments exists
• Set "next steps" order to be the same as in lhs nav
• Remove gitlab CI file which is now defined in a protected space
• Feature/eca set field value

.gitlab-ci.yml

@@ -41,6 +41,7 @@ DeployMR:
   variables:
     GIT_STRATEGY: none
   script:
+    - a -m file -a "dest=/var/www/docs/eca-mr/${CI_MERGE_REQUEST_SOURCE_BRANCH_NAME} state=directory" --limit=bsdevop1
     - a -m synchronize -a "src=${PWD}/site/ dest=/var/www/docs/eca-mr/${CI_MERGE_REQUEST_SOURCE_BRANCH_NAME} delete=yes" --limit=bsdevop1
   environment:
     name: review/$CI_COMMIT_REF_SLUG