Update file Worksheet 1 Part 2.md

Worksheet 1/Part 2/Worksheet 1 Part 2.md

@@ -14,6 +14,9 @@
   - [Mounting the Filesystem](#mounting-the-filesystem)
   - [File Creation and Writing](#file-creation-and-writing)
   - [Multi-Cluster Files and FAT Traversal](#multi-cluster-files-and-fat-traversal)
+-  [Debugging and Testing](#debugging-and-testing)
+  - [Cluster Chain Visualisation](cluster-chain-visualisation)
+  - [Safe Flash Write](safe-flash-write)
 -  [Example Output](#example-output)
 -  [Conclusion](#conclusion)