Add Hawaii map (#3187)

## Description:
Add Hawaii as a new regional map. Features 9 nations across the Hawaiian
island chain (Niihau, Kauai, Oahu, Molokai, Lanai, Kahoolawe, Maui,
Kona, Hilo). ~~612K land tiles at 3920x2544~~ 408K land tiles at
3200x2076, terrain generated from real relief data with accurate
volcanic peaks and coastal lowlands. Playlist frequency: 4.

![Hawaii
thumbnail](https://raw.githubusercontent.com/gabigabogabu/OpenFrontIO/feature/hawaii-map/resources/maps/hawaii/thumbnail.webp)

## Checklist
- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced

Source:
https://commons.wikimedia.org/wiki/File:USA_Hawaii_relief_location_map.svg
Discord: gabigabogabu

src/server/MapPlaylist.ts

@@ -68,6 +68,7 @@ const frequency: Partial<Record<GameMapName, number>> = {
   TheBox: 3,
   Yenisei: 6,
   TradersDream: 4,
+  Hawaii: 4,
 };
 
 interface MapWithMode {