RewriteEngine On

# non-https to https and www to non-www redirect
RewriteCond %{HTTPS} off [OR]
RewriteCond %{HTTP_HOST} ^www\. [NC]
RewriteCond %{HTTP_HOST} ^(?:www\.)?(.+)$ [NC]
RewriteRule ^ https://%1%{REQUEST_URI} [NE,R=301]

# pretty URLs
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^([^\.]+)$ $1.html [NC,L]

<filesMatch ".(ico|pdf|flv|jpg|jpeg|png|gif|svg|avif|js|css|swf|woff2)$">
  Header set Cache-Control "max-age=8380800, public"
</filesMatch>

AddType application/manifest+json .webmanifest