freeradius3: add package

freeradius3: add package

freeradius-server version 2.x has been marked End-Of-Life.
This commit adds freeradius-server version 3.0.11 in a new package.

This commit also introduces the option "freeradius3-default"
which activate all modules needed to run radiusd with its default
configuration.

- rlm_digest (HTTP Digest Authentication) has been added
- rlm_unix (System Authentication) has been added
- rlm_attr_rewrite has been deleted

Note that SQL and LDAP support has been disabled.

Signed-off-by: Lucile Quirion <lucile.quirion@savoirfairelinux.com>