Platform/Intel: Add UserInterfaceFeaturePkg

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1545

Add new package UserInterfaceFeaturePkg in Platform/Intel/
folder. It will keep UI related modules in this package.

We plan add UserAuthentication modules in Platform/Intel.
Firstly we add a new package UserInterfaceFeaturePkg where
add the UserAuthentication modules into.
Package name follows the discussion in:
https://edk2.groups.io/g/devel/message/42286



Cc: Eric Dong <eric.dong@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>