Refactor Fieldtype declarations

src/main/java/Gameboard.java

@@ -6,14 +6,14 @@ public class Gameboard {
     }
 
     public void initGameboard (){
-        board[0] = 1;
-        board[10] = 1;
-        board[20] = 1;
-        board[30] = 1;
-        board[9] = 2;
-        board[19] = 2;
-        board[29] = 2;
-        board[39] = 2;
+        for(int i = 0; i < 40; i++) {
+            if ( i % 10 == 0) {
+                board[i] = 1;
+            }
+            if( i % 10 == 9) {
+                board[i] = 2;
+            }
+        }
         for (int i = 40; i < board.length; i++) {
             board[i] = 3;
         }