Add Falkland Islands map (#681)

## Description:
This PR adds the Falkland Islands map. It has 12 nations - most of the
regions of the islands. All use the Falkland Island flag as they don't
have their own.

## Please complete the following:

- [ ] I have added screenshots for all UI updates
- [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:

<DISCORD USERNAME>
Nikola123

src/core/game/Game.ts

@@ -72,8 +72,9 @@ export enum GameMapType {
   Japan = "Japan",
   BetweenTwoSeas = "Between Two Seas",
   KnownWorld = "Known World",
-  FaroeIslands = "FaroeIslands",
+  FaroeIslands = "Faroe Islands",
   DeglaciatedAntarctica = "Deglaciated Antarctica",
+  FalklandIslands = "Falkland Islands",
 }
 
 export const mapCategories: Record<string, GameMapType[]> = {
@@ -97,6 +98,7 @@ export const mapCategories: Record<string, GameMapType[]> = {
     GameMapType.Mena,
     GameMapType.Australia,
     GameMapType.FaroeIslands,
+    GameMapType.FalklandIslands,
   ],
   fantasy: [
     GameMapType.Pangaea,