Updated GitHub Issues Processing Workflow (markdown)
Merged Issue Gates topic with Issue Processing workflow
Updated links for Issue and PR boards
MC-29346: ENGCOM: Update documentation (magento/magento2 repo) according to 2.4
Removed mentions for 2.2 version because of branch 2.2-develop is closed for PRs
Fix link to contribution assistant docs.
Added information and link to Community Backlog Dashboard and remove old approach with filter example
Update slack join link
Updates per review with Community Engineering during Contributor Guide DevDocs revisions.
Created GitHub Issues Processing Workflow (markdown)