RHIDP-5733: Info about custom config in the Installation guides#888

pabel-rh merged 8 commits intoredhat-developer:mainredhat-developer/red-hat-developers-documentation-rhdh:mainfrom

jmagak:RHIDP-5733-info-about-custom-config-in-the-Installation-guidesjmagak/red-hat-developers-documentation-rhdh:RHIDP-5733-info-about-custom-config-in-the-Installation-guidesCopy head branch name to clipboard