# don't add .html in the rewrite below
Options -MultiViews
RewriteEngine On
RewriteBase /
# if not already on bandali.eu.org, redirect to there
RewriteCond %{HTTP_HOST} !^bandali\.eu\.org$
RewriteRule ^(.*)$ https://bandali.eu.org/$1 [R]
# now we have to explicitly tell apache that files with no
# extension are actually .html
RewriteCond %{REQUEST_FILENAME}.html -f
RewriteRule !.*\.html$ %{REQUEST_FILENAME}.html [L]