minor TOC spacing update

Author: mrash

README.md

@@ -3,8 +3,8 @@
 - [Introduction](#introduction)
 - [Prerequisites](#prerequisites)
 - [Workflow](#workflow)
-   - [Parallelized AFL Execution](#parallelized-afl-execution)
-   - [Other Examples](#other-examples)
+  - [Parallelized AFL Execution](#parallelized-afl-execution)
+  - [Other Examples](#other-examples)
 - [Directory and File Structure](#directory-and-file-structure)
 - [Usage Information](#usage-information)
 - [License](#license)