docs: Addition of relative link Table of Contents
docs: Addition of relative link Table of Contents

Added a table of contents that has relative linking to the readme.

travelbird/react-native-navigation,taxfix/native-navigation,taxfix/native-navigation,taxfix/native-navigation,travelbird/react-native-navigation,taxfix/native-navigation,travelbird/react-native-navigation,taxfix/native-navigation,travelbird/react-native-navigation