edit Running Extensions as per other lines edit Running Extensions as per lines 108, 113 & 166 and @jrieken's comment.
added instructions on where to find Developer: this can close Issue https://github.com/microsoft/vscode/issues/134599.
Updated Performance Issues (markdown)
profile shared process
Fixed image showing `code --status`
Keyboard keys/code snippet tagging
Include Process Explorer as an option for diagnosing high CPU usage
Fixed typos and minor grammar errors
Remove trailing whitespace
Fix "Show Running Extensions" command name