archivers/minizip*: Add minizip-ng and zlib-ng and create USES=minizip

Import minizip-ng and zlib-ng

Minizip was originally developed in 1998. It was first included in the zlib
distribution as an additional code contribution starting in zlib 1.1.2. Since
that time, it has been continually improved upon and contributed to by many
people.

+ Creating and extracting zip archives.
+ Adding and removing entries from zip archives.
+ Read and write raw zip entry data.
+ Reading and writing zip archives from memory.
+ Zlib, BZIP2, LZMA, and ZSTD compression methods.
+ Password protection through Traditional PKWARE and WinZIP AES encryption.
+ Buffered streaming for improved I/O performance.

some ports bundle it, some ports allow building against a systemwide
one, some ports bundle/rely on an incompatible version - all those will be
fixed in following commits.

Mk/Uses: Introduce USES=minizip[:ng]

To simplify, the LIB_DEPENDS part a new USES tag is added.

USES=minizip will add a LIB_DEPENDS on legacy minizip and
USES=minizip:ng will add a LIB_DEPENDS on minizip-ng.

minizip [1]:

databases/spatialite
databases/spatialite-tools
devel/collada-dom
games/mrboom
games/oolite
graphics/comical
misc/xiphos
science/libkml
textproc/sigil
www/domoticz
deskutils/anydesk
emulators/mupen64plus-core
multimedia/assimp
multimedia/vlc
net-im/psi
net-im/telegram-desktop

minizip-ng:

devel/axmldec

[1] Some are known to work with minizip-ng but have to be patched.

Approved by: tcberner (portmgr)
Differential Revision: https://reviews.freebsd.org/D33771