Implement EZP-23873: Allow fonts to be pulled

The config file doesn't allow for font file (bootstrap, fontawesome etc) URLs to be served.

doc/apache2/vhost.template

@@ -128,7 +128,7 @@
         # Additional Assetic rules for environments different from dev,
         # remember to run php ezpublish/console assetic:dump --env=prod
         RewriteCond %{ENV:ENVIRONMENT} !("dev")
-        RewriteRule ^/(css|js)/.*\.(css|js) - [L]
+        RewriteRule ^/(css|js|font)/.*\.(css|js|otf|eot|ttf|svg|woff) - [L]
 
         # Conditions for enabling webdav and soap interfaces from legacy
         ## Symlink files into your web folder and correct domain names to be valid server aliases