change syntax highlighting style based on theme selection#2720

dgolovin merged 2 commits intoredhat-developer:mainredhat-developer/vscode-openshift-tools:mainfrom

msivasubramaniaan:2718-is-it-possible-to-change-the-colors-of-the-yml-keysmsivasubramaniaan/vscode-openshift-tools:2718-is-it-possible-to-change-the-colors-of-the-yml-keysCopy head branch name to clipboard