Improve styles!

Author: brentvatne

docs/common-mistakes.md

@@ -13,7 +13,7 @@ Most apps should only ever render one navigator inside of a React component, and
 Here's what you might write in your code -- note that this example would be incorrect:
 
 ```javascript
-export default App extends React.Component {
+export default class App extends React.Component {
   render() {
     /* In the root component we are rendering the app navigator */
     return <AppNavigator />;

website/pages/en/index.js

@@ -55,7 +55,7 @@ class HomeSplash extends React.Component {
                     <Button href={`/docs/${this.props.language}/api-reference.html`}>
                       <translate>Read API Reference</translate>
                     </Button>
-                    <Button href="https://expo.io/@react-navigation/NavigationPlayground">
+                    <Button href="https://github.com/react-navigation/react-navigation/tree/master/examples/NavigationPlayground">
                       <translate>Try the demo app</translate>
                     </Button>
                     {/* <Button href="https://snack.expo.io/@react-navigation/hello-world">Run "Hello World" in Snack</Button> */}

website/siteConfig.js

@@ -10,10 +10,16 @@ const users = [
 const siteConfig = {
   title: 'React Navigation',
   tagline: 'Routing and navigation for your React Native apps',
-  url: 'https://reactnavigation.org',
+  url: process.env.STABLE_RELEASE
+    ? 'https://reactnavigation.org'
+    : 'https://next.react-navigation.org',
   baseUrl: '/',
-  organizationName: 'react-navigation',
-  projectName: 'react-navigation.github.io',
+  organizationName: process.env.STABLE_RELEASE
+    ? 'react-navigation'
+    : 'react-navigation-next',
+  projectName: process.env.STABLE_RELEASE
+    ? 'react-navigation.github.io'
+    : 'react-navigation-next.github.io',
   headerLinks: [
     { doc: 'getting-started', label: 'Docs' },
     { doc: 'api-reference', label: 'API' },
@@ -37,11 +43,16 @@ const siteConfig = {
   onPageNav: 'separate',
   scripts: ['https://buttons.github.io/buttons.js'],
   repoUrl: 'https://github.com/react-navigation/react-navigation',
-  editUrl: 'https://github.com/react-navigation/react-navigation.github.io/edit/source/docs/',
-  algolia: {
-    apiKey: 'c967b4a1491b9cb486d3dca087b771e6',
-    indexName: 'reactnavigation',
-  },
+  editUrl:
+    'https://github.com/react-navigation/react-navigation.github.io/edit/source/docs/',
+  ...(process.env.STABLE_RELEASE
+    ? {
+        algolia: {
+          apiKey: 'c967b4a1491b9cb486d3dca087b771e6',
+          indexName: 'reactnavigation',
+        },
+      }
+    : {}),
 };
 
 module.exports = siteConfig;