Update config.toml to use new theme

macao/hugo.toml

 baseURL = 'http://example.org/'
 languageCode = 'fr-fr'
 title = 'Macao-Hugo'
-theme = 'hugo-book'
+theme = 'macao-hugo-theme'
 #minify = true
 [markup.goldmark.renderer]
 # Unsafe mode allows arbitrary HTML in Markdown, useful for testing with raw blocks extracted from Macao-Legacy