docs: Repair links to official docs#402

bdrianw wants to merge 3 commits intocloudnative-pg:maincloudnative-pg/cloudnative-pg.github.io:mainfrom

bdrianw:bdrianw/fix-doc-linksbdrianw/cloudnative-pg.github.io:bdrianw/fix-doc-linksCopy head branch name to clipboard