Add MacOS Czech ISO and ANSI keymaps #23346

[Tabonx]

Description

This pull request introduces MacOS Czech input keymaps for both ANSI and ISO layouts.

The changes include:

• Declarations added in keycodes_czech_mac_ansi_0.0.1.hjson and keycodes_czech_mac_iso_0.0.1.hjson files.
• Generated keymap headers
• SEND_STRING lookup table.
• Documentation references updated accordingly.

Key names have been reused from keycodes_czech_0.0.1.hjson or other languages where necessary.

All keycodes and the SEND_STRING macro, which sends the entire ASCII table, have been validated and tested.

Types of Changes

• Core
• Bugfix
• New feature
• Enhancement/optimization
• Keyboard (addition or update)
• Keymap/layout/userspace (addition or update)
• Documentation

Issues Fixed or Closed by This PR

• Add Missing Keymappings for Czech Language on macOS #23346

Checklist

• My code follows the code style of this project: C, Python
• I have read the PR Checklist document and have made the appropriate changes.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• I have tested the changes and verified that they work and don't break anything (as well as I can manage).