Add Manicouagan Map and Credit OpenTopography (#2620)

## Description:

Adds a map based on the Manicouagan Reservoir in Quebec and credits
OpenTopography

## 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
<img width="1017" height="1017" alt="Screenshot 2025-12-14 214706"
src="https://github.com/user-attachments/assets/030c4bbd-0325-4da4-bef5-71053dc8f183"
/>

## Discord username:

sehentsin

src/core/game/Game.ts

@@ -105,6 +105,7 @@ export enum GameMapType {
   Svalmel = "Svalmel",
   GulfOfStLawrence = "Gulf of St. Lawrence",
   Lisbon = "Lisbon",
+  Manicouagan = "Manicouagan",
 }
 
 export type GameMapName = keyof typeof GameMapType;
@@ -141,6 +142,7 @@ export const mapCategories: Record<string, GameMapType[]> = {
     GameMapType.GulfOfStLawrence,
     GameMapType.Lisbon,
     GameMapType.NewYorkCity,
+    GameMapType.Manicouagan,
   ],
   fantasy: [
     GameMapType.Pangaea,