Fix(guide): Add link to Priority Queue documentation

guide/english/algorithms/graph-algorithms/dijkstra/index.md

@@ -90,4 +90,7 @@ public class Dijkstra {
 	System.out.println(Arrays.toString(dist));
     }
 }
-```
+```
+
+## More Information: 
+- [Priority Queue Documentation](https://docs.oracle.com/javase/7/docs/api/java/util/PriorityQueue.html)