Include types in completion list after public keyword

[mscfd]

For the code below, the completion request
fortls --debug_rootpath . --debug_completion --debug_filepath test.f90 --debug_line 6 --debug_char 11
does not provide "some_type".

test.f90:

module mod

implicit none
private

public som

type :: some_type
end type some_type

end module mod