GohJunLe · Im-Not-God · Aug 27, 2022 · Aug 27, 2022 · Aug 27, 2022 · Aug 27, 2022
diff --git a/README.md b/README.md
@@ -301,7 +301,8 @@ npm test -- 'playground'
 
 ### References
 
-[▶ Data Structures and Algorithms on YouTube](https://www.youtube.com/playlist?list=PLLXdhg_r2hKA7DPDsunoDZ-Z769jWn4R8)
+- [▶ Data Structures and Algorithms on YouTube](https://www.youtube.com/playlist?list=PLLXdhg_r2hKA7DPDsunoDZ-Z769jWn4R8)
+- [✍🏻 Data Structure Sketches](https://okso.app/showcase/data-structures)
 
 ### Big O Notation
 

diff --git a/src/algorithms/sorting/cocktail-shaker-sort/CocktailShakerSort.js b/src/algorithms/sorting/cocktail-shaker-sort/CocktailShakerSort.js
@@ -34,7 +34,7 @@ export default class CocktailShakerSort extends Sort {
       if (swapped === false) {
         break;
       }
-      
+
       // Reset the swapped flag so that it can be used in the next stage
       swapped = false;
 
@@ -48,11 +48,11 @@ export default class CocktailShakerSort extends Sort {
           swapped = true;
         }
       }
-
+      
       // Move the start point forward by one,
       // because the item at the start point is already in its correct position.
       start += 1;
-      
+
     }
     return array;
   }

diff --git a/src/data-structures/heap/images/array-representation.jpeg b/src/data-structures/heap/images/array-representation.jpeg
diff --git a/src/data-structures/heap/images/max-heap.jpeg b/src/data-structures/heap/images/max-heap.jpeg
diff --git a/src/data-structures/heap/images/min-heap.jpeg b/src/data-structures/heap/images/min-heap.jpeg
diff --git a/src/data-structures/queue/images/queue.jpeg b/src/data-structures/queue/images/queue.jpeg
diff --git a/src/data-structures/stack/images/stack.jpg b/src/data-structures/stack/images/stack.jpg
diff --git a/src/data-structures/tree/binary-search-tree/images/binary-search-tree.jpg b/src/data-structures/tree/binary-search-tree/images/binary-search-tree.jpg
diff --git a/src/data-structures/tree/images/tree.jpeg b/src/data-structures/tree/images/tree.jpeg
diff --git a/src/data-structures/trie/images/trie.jpg b/src/data-structures/trie/images/trie.jpg