docs: fix broken link to docz theme #86

Author: rakannimer

src/docs/documentation/customizing/creating-your-themes.mdx

@@ -7,8 +7,8 @@ menu: Customizing
 
 # Creating your themes
 
-One of the main features of Docz is that you can create your own theme from scratch and just use data parsed from Docz.
-We provide a bunch of components that can help you to create your own theme without pain.
+One of the main features of Docz is that you can create your own theme from scratch and just use the data parsed from Docz.
+We provide a bunch of components that can help you create your own theme with little effort.
 
 Let's use this project structure through the following examples:
 
@@ -24,6 +24,7 @@ doczrc.js
 package.json
 ```
 
+
 The oldest way to acomplish that is by using the `theme` property inside the `doczrc.js` file. Now, if you want to create
 your own theme, just create a file located at `src/gatsby-theme-docz/index.js`
 
@@ -189,7 +190,7 @@ Now you have a fully functional navigation to your documentation and you can sim
 // src/gatsby-theme-docz/index.js
 import React from 'react'
 import { theme, useConfig, ComponentsProvider } from 'docz'
-import { ThemeProvider } from 'emotion-theming'
+import { ThemeProvider } from 'theme-ui'
 
 import { Menu } from './Menu'
 import * as components from './my-components'
@@ -275,4 +276,4 @@ How I told you, without pain and a lot of work your you can have a custom and ve
 
 ## Examples
 
-If you wanna see an example of theme created, you can see the [source code](https://github.com/pedronauck/docz-website) of this website that was entire build using Docz or the [source code](https://github.com/pedronauck/docz/tree/master/core/docz-theme-default) of `docz-theme-default`.
+If you'd like to see an example of a theme, you can check the [source code](https://github.com/doczjs/docz/tree/master/core/gatsby-theme-docz) of `gatsby-theme-docz`.