Added global gameplay screens and API hook

fixed routings to global game screen. Fixed navbar layouts on the screen. Updated api keys to use private key and added .env file. Configured useGlobalHook to use api from env variable.

App.js

@@ -12,6 +12,10 @@ import GameSettingsScreen from "./src/components/screens/GameSettingsScreen";
 import PlayersScreen from "./src/components/screens/PlayersScreen";
 import ExpandedMapScreen from "./src/components/screens/ExpandedMapScreen";
 import GameSelectionScreen from "./src/components/screens/GameSelectionScreen";
+import GlobalEventsScreen from "./src/components/screens/global/GlobalEventsScreen";
+import GlobalMapScreen from "./src/components/screens/global/GlobalMapScreen";
+import GlobalCacheViewScreen from "./src/components/screens/global/GlobalCacheViewScreen";
+import GlobalLeaderboardScreen from "./src/components/screens/global/GlobalLeaderboardScreen";
 import { loadSession } from "./src/hooks/SessionStore";
 
 const RootStack = createNativeStackNavigator();
@@ -50,6 +54,19 @@ const GameStack = () => (
       name="ExpandedMapScreen"
       component={ExpandedMapScreen}
     />
+    <GameStackNav.Screen
+      name="GlobalEventsScreen"
+      component={GlobalEventsScreen}
+    />
+    <GameStackNav.Screen name="GlobalMapScreen" component={GlobalMapScreen} />
+    <GameStackNav.Screen
+      name="GlobalCacheViewScreen"
+      component={GlobalCacheViewScreen}
+    />
+    <GameStackNav.Screen
+      name="GlobalLeaderboardScreen"
+      component={GlobalLeaderboardScreen}
+    />
   </GameStackNav.Navigator>
 );
 
@@ -74,6 +91,19 @@ const AdminStack = () => (
       component={ExpandedMapScreen}
     />
     <AdminStackNav.Screen name="TeamScreen" component={TeamScreen} />
+    <AdminStackNav.Screen
+      name="GlobalEventsScreen"
+      component={GlobalEventsScreen}
+    />
+    <AdminStackNav.Screen name="GlobalMapScreen" component={GlobalMapScreen} />
+    <AdminStackNav.Screen
+      name="GlobalCacheViewScreen"
+      component={GlobalCacheViewScreen}
+    />
+    <AdminStackNav.Screen
+      name="GlobalLeaderboardScreen"
+      component={GlobalLeaderboardScreen}
+    />
   </AdminStackNav.Navigator>
 );