add port files for cdk and cdk-perl

[ThomasDickey]

Description

Add port files for cdk and cdk-perl

Type(s)

submission (new Portfile)

• bugfix
• enhancement
• security fix

Tested on

macOS 15.5 24F74 x86_64
Xcode 16.3 16E140

Verification

Have you

• followed our Commit Message Guidelines?
• squashed and minimized your commits?
• checked that there aren't other open pull requests for the same change?
• checked your Portfile with port lint?
• tried a full install with sudo port -vst install?
• tested basic functionality of all binary files?
• checked that the Portfile's most important variants haven't been broken?

[reneeotten]

thanks @ThomasDickey - a few comments

[ryandesign]

• followed our Commit Message Guidelines?

Commit message guidelines were not followed.

• squashed and minimized your commits?

There are now two commits in this PR so it is not squashed and minimized.

We can correct both problems with the "Squash and merge" button later.

There is a lint warning:

Warning: cdk is configured to build for the architecture(s) 'arm64', but did not install any Mach-O files.

If cdk doesn't install anything architecture-specific, add supported_archs noarch. If it doesn't install anything that varies by OS type or version, add platforms any.

[ThomasDickey]

cdk installs an architecture-specific library, like devel/ncurses, and can be built on any platform.
(I don't see a warning using "port lint --nitpick").

In pkgsrc, a maintainer suggested that I rename "cdk-perl" to "p5-cdk".
I had considered it before, but it appeared that the p5-XXX's here were part of the perl distribution.
Should I do that now?