Disable https content security for rocket chat

Otherwise it won't load

src/freedombone-app-rocketchat

       echo '  }';
       echo '}'; } >> "$rocketchat_nginx_site"
 
+    # If content security is enabled then the https site won't load
+    sed -i 's|add_header Content-Security-Policy|#add_header Content-Security-Policy|g' "$rocketchat_nginx_site"
+
     create_site_certificate "$ROCKETCHAT_DOMAIN_NAME" 'yes'
 
     nginx_ensite "$ROCKETCHAT_DOMAIN_NAME"