Add screenshots for more keyboard layouts

[TheSecurityDev]

Screenshots for uppercase, number, and symbol layouts. There should also be one with text, which I had but reverted for simplicity.

We could also add one for password mode, but it might not be as important.

[Copilot]

Pull Request Overview

Adds screenshot test coverage for additional keyboard states including uppercase, numbers, and symbols modes with typed text examples.

• Adds helper functions to interact with different keyboard modes (shift, numbers toggle)
• Creates setup functions for three new keyboard test scenarios with different states
• Registers the new keyboard test scenarios in the setup function mapping

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[github-actions]

raylib UI Preview

keyboard : $${\color{red}\text{DIFFERENT}}$$

master	proposed
diff	composite diff

keyboard_caps_lock : $${\color{cyan}\text{NEW}}$$

keyboard_numbers : $${\color{cyan}\text{NEW}}$$

keyboard_symbols : $${\color{cyan}\text{NEW}}$$

keyboard_uppercase : $${\color{cyan}\text{NEW}}$$

All Screenshots

[TheSecurityDev]

This would actually be quite useful for the keyboard bug fixes

[maxime-desroches]

Can you also add the double tap on caps so you get caps lock?

[TheSecurityDev]

Can you also add the double tap on caps so you get caps lock?

Done. And I added text to the default screenshot. Is that good enough? Or should that be a separate screenshot.

[github-actions]

This PR has had no activity for 9 days. It will be automatically closed in 2 days if there is no activity.

[TheSecurityDev]

Bump