update readme

found alternative syntax to support relative links.

README.md

@@ -75,12 +75,12 @@ model-index:
 
 ##  Table of Contents
 
-1. [Model Summary](##model-summary)
-2. [Use](##use)
-3. [Limitations](##limitations)
-4. [Training](##training)
-5. [License](##license)
-6. [Citation](##citation)
+1. [Model Summary](#model-summary)
+2. [Use](#use)
+3. [Limitations](#limitations)
+4. [Training](#training)
+5. [License](#license)
+6. [Citation](#citation)
 
 ## Model Summary