Update documentation.md

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 ## Table of Contents
 1. Introduction
-* 1.1. Introduction to FT8
-* 1.2. Architecture Overview
-* 1.3. Toolchain / Technology
+1.1. Introduction to FT8
+1.2. Architecture Overview
+1.3. Toolchain / Technology
 2. PDK Characterization
 3. Architecture Refinement
 4. Circuit Design and Simulation