Adding Iceland map (#323)

This is a map of Iceland. It has 8 nations - the 8 regions of Iceland.

![IcelandScreenshot](https://github.com/user-attachments/assets/1debe786-1dac-4274-85e2-9a0c090bd3b0)

![IcelandScreenshot1](https://github.com/user-attachments/assets/681e4a8f-4603-4434-9714-d76b49b82a6e)

![IcelandScreenshot2](https://github.com/user-attachments/assets/69841915-14f4-4e13-961f-c5e523668d41)

![IcelandScreenshot3](https://github.com/user-attachments/assets/51225d7a-c1df-4890-a56f-d459fe62a534)

![IcelandScreenshot4](https://github.com/user-attachments/assets/a5880022-765f-4e62-8f55-2b93d8b89f84)

![IcelandScreenshot5](https://github.com/user-attachments/assets/ec0d6efc-1056-45a1-ad03-152cb5a2baf6)

![IcelandScreenshot6](https://github.com/user-attachments/assets/56c8c8cb-2b3d-41e0-a55d-37b21b4442e3)

![IcelandScreenshot7](https://github.com/user-attachments/assets/b7a7833c-ef64-4067-a44f-c8a762bed0bc)

![IcelandScreenshot8](https://github.com/user-attachments/assets/d9edd402-7885-4e26-95c6-33d387493a80)

src/client/components/Maps.ts

@@ -18,6 +18,7 @@ export const MapDescription: Record<keyof typeof GameMapType, string> = {
   Britannia: "Britannia",
   GatewayToTheAtlantic: "Gateway to the Atlantic",
   Australia: "Australia",
+  Iceland: "Iceland",
 };
 
 @customElement("map-display")

src/client/utilities/Maps.ts

@@ -11,6 +11,7 @@ import mars from "../../../resources/maps/MarsThumb.png";
 import britannia from "../../../resources/maps/BritanniaThumb.png";
 import gatewayToTheAtlantic from "../../../resources/maps/GatewayToTheAtlanticThumb.png";
 import australia from "../../../resources/maps/AustraliaThumb.png";
+import iceland from "../../../resources/maps/IcelandThumb.png";
 
 import { GameMapType } from "../../core/game/Game";
 
@@ -42,6 +43,8 @@ export function getMapsImage(map: GameMapType): string {
       return gatewayToTheAtlantic;
     case GameMapType.Australia:
       return australia;
+    case GameMapType.Iceland:
+      return iceland;
     default:
       return "";
   }