add simple option for HTTPS in .htaccess

people have it easier to just uncomment 2 lines if they want such an important feature

.htaccess

@@ -30,5 +30,9 @@ Deny from all
   RewriteCond %{REQUEST_FILENAME} !-d
   RewriteRule ^(.*)$ index.php?pagename=$1 [E=REMOTE_USER:%{HTTP:Authorization},L,QSA]
 
+  # If you want to restrict access to your Friendica site to HTTPS only,
+  # uncommment the following lines
+  RewriteCond %{HTTPS} !=on
+  RewriteRule .* https://%{SERVER_NAME}%{REQUEST_URI} [R=301,L]
 </IfModule>