feat(core): output keyman_core_ldml.sh

[srl295]

• refactor const generator
• output as .sh also
• use variable instead of fixed 46

Split out from #13236

@keymanapp-test-bot skip

[keymanapp-test-bot[bot]]

User Test Results

Test specification and instructions

User tests are not required

Test Artifacts

• Android
  • Keyman for Android apk
  • FirstVoices for Android 16.0 apk
  • FirstVoices Keyboards for Android apk
  • KeyboardHarness apk
  • Keyman for Android 16.0 apk
  • KMSample1 apk
  • KMSample2 apk
• Developer
  • Keyman Developer
  • Compiler Regression Tests
  • kmcomp.zip
• iOS
  • Keyman for iOS (simulator image)
  • FirstVoices Keyboards for iOS (simulator image)
  • TestFlight internal PR build version - 19.0.5 (0.13252.12882)
• Keyboards
  • Test Keyboards
• Linux
  • Keyman for Linux: jammy
  • Keyman for Linux: noble
  • Keyman for Linux: oracular
  • Keyman for Linux: plucky
• macOS
  • Keyman for macOS
• Web
  • KeymanWeb Test Home
• Windows
  • Keyman for Windows
  • FirstVoices Keyboards for Windows
  • Text Editor (32 bit)
  • Text Editor (64 bit)

[srl295]

To quote @mcdurdin

For 19.0, let's try and avoid the common->core dependency direction by moving this header and friends into /common/include/ldml.

It's better for core to depend on common than the other way around.

It may be cleaner to do that before this PR lands?

See:

• #7126