Merge pull request styled-components#740 from Ffloriel/add-security-t…

…able-of-contents

Add security.md to the table of contents

docs/README.md

@@ -4,12 +4,13 @@ This is the `styled-components` documentation.
 
 ## Table of Contents
 
-- [API Reference](./api.md): A reference for all APIs that we export or return.
+- [API Reference](./api.md): A reference for all APIs that we export or return
 - [Tips and Tricks](./tips-and-tricks.md): A few handy tips for working with `styled-components`
 - [Tagged Template Literals](./tagged-template-literals.md): How do they work?
 - [Using `styled-components` with existing CSS](./existing-css.md): Some edge cases you should be aware of when using `styled-components` with an existing CSS codebase
 - [What CSS we support](./css-we-support.md): What parts & extensions of CSS can you use within a component?
 - [Theming](./theming.md): How to work with themes
+- [Security](./security.md): Security considerations when allowing users to configure themes
 - [React Native](./react-native.md): Details for React Native
 - [Typescript](./typescript-support.md): Typescript Support
 - [FAQ](./faq.md): Frequently Asked Questions