Draft: Resolve "Create game model"

Closes #2 (closed)

android/src/com/wordbattle/game/AndroidInterfaceClass.java

@@ -291,6 +291,30 @@ public class AndroidInterfaceClass implements FirebaseInterface {
         });
     }
 
+    public void startRound(String pin) {
+        DatabaseReference lobbyRef = database.getReference("lobbies").child(pin);
+        lobbyRef.child("roundStarted").setValue(true)
+                .addOnSuccessListener(aVoid -> {
+                    System.out.println("Round started for lobby with pin: " + pin);
+                })
+                .addOnFailureListener(e -> {
+                    System.err.println("Failed to start round for lobby: " + pin + ", error: " + e.getMessage());
+                });
+    }
+
+    @Override
+    public void resetRoundFlag(String pin) {
+        DatabaseReference lobbyRef = database.getReference("lobbies").child(pin);
+        lobbyRef.child("roundStarted").setValue(false)
+                .addOnSuccessListener(aVoid -> {
+                    System.out.println("Round flag reset for lobby with pin: " + pin);
+                })
+                .addOnFailureListener(e -> {
+                    System.err.println("Failed to reset round flag for lobby: " + pin + ", error: " + e.getMessage());
+                });
+    }
+
+
 
     public void listenForGameStart(String pin, GameStartCallback callback) {
         DatabaseReference lobbyRef = database.getReference("lobbies").child(pin);