various: Use 0.12+ API for serving files from the file system over HTTP Using mod_http_files this way is deprecated. Having the base behavior in a separate module makes it easier to have a specialized module with coherent behavior that does not do things when not explicitly enabled.

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summary: Log a message once per minute
...

This module sends `-- MARK --` to the log once per minute. This may be
useful to give a sense of how busy the server is or see that logging and
timers are still working.