New Chinook (#5849)

# About the pull request

Updates Chinook for events. More fleshed out, fat trimmed, etc.

# Explain why it's good for the game

Prettier station makes for prettier events.


# Testing Photographs and Procedure
<details>
<summary>Screenshot</summary>


![image](https://github.com/cmss13-devs/cmss13/assets/55491249/52d52828-5166-40c4-8dbf-2cf45d8a9f56)

</details>


# Changelog
:cl: nauticall
mapadd: Revamped the Chinook event map.
/:cl:

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Co-authored-by: Nanu308 <[email protected]>