feat(main): check if all words got placed and start game

Startcode/main.c

@@ -40,7 +40,13 @@ int main(int argc, char *argv[])
             // Check if all words were successfully placed
             // Start the game if successful
             // error message if some words couldn't be placed
+            if (placedWords != wordCount)
+            {
+                printf("Error: Some words couldn't be placed!");
+                return EXIT_FAILURE;
+            }
 
+            startGame(wordSalad, SALAD_SIZE, words, wordCount, 500);
         }
         else
         {