Add strait of Gibraltar and Italia maps (#1363)

## Description:

Add strait of Gibraltar and Italia maps

## 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
- [x] I understand that submitting code with bugs that could have been
caught through manual testing blocks releases and new features for all
contributors

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

evan

src/core/game/Game.ts

@@ -80,6 +80,8 @@ export enum GameMapType {
   FalklandIslands = "Falkland Islands",
   Baikal = "Baikal",
   Halkidiki = "Halkidiki",
+  StraitOfGibraltar = "Strait of Gibraltar",
+  Italia = "Italia",
 }
 
 export const mapCategories: Record<string, GameMapType[]> = {
@@ -107,6 +109,8 @@ export const mapCategories: Record<string, GameMapType[]> = {
     GameMapType.FalklandIslands,
     GameMapType.Baikal,
     GameMapType.Halkidiki,
+    GameMapType.StraitOfGibraltar,
+    GameMapType.Italia,
   ],
   fantasy: [
     GameMapType.Pangaea,