Feature add alps clean (#3229)

## Description:

Fixes closed PR and adds the new “Alps” map and register it in the
game/map playlist. With 7 geographically accurate nations. Pure large
land map for land warfare only.

<img width="2564" height="1400" alt="Untitled"
src="https://github.com/user-attachments/assets/2c51fad3-7345-46a8-9256-2874d1c4211b"
/>

<img width="2000" height="1837"
alt="551068953-fe4445cd-c0b2-4a5a-b652-1e480e38cdb6"
src="https://github.com/user-attachments/assets/1c466262-e20b-46bc-b782-944cbf6ee62a"
/>


![551068657-3125718d-9bf2-44d5-8e3b-a5073df5b785](https://github.com/user-attachments/assets/1abf131a-2e3e-4acf-b205-2bf56f229ed1)

## Please complete the following:

- [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

## Please put your Discord username so you can be contacted if a bug or
regression is found:

TsProphet

src/core/game/Game.ts

@@ -121,6 +121,7 @@ export enum GameMapType {
   Yenisei = "Yenisei",
   TradersDream = "Traders Dream",
   Hawaii = "Hawaii",
+  Alps = "Alps",
 }
 
 export type GameMapName = keyof typeof GameMapType;
@@ -170,6 +171,7 @@ export const mapCategories: Record<string, GameMapType[]> = {
     GameMapType.AmazonRiver,
     GameMapType.Yenisei,
     GameMapType.Hawaii,
+    GameMapType.Alps,
   ],
   fantasy: [
     GameMapType.Pangaea,