Add flex-basis to default index.html

Author: david-polak

Diff for: index.html

@@ -94,7 +94,7 @@ <h1 class="welcome">Welcome to</h1>
             },{
               name: 'Flex',
               open: false,
-              buildProps: ['flex-direction', 'flex-wrap', 'justify-content', 'align-items', 'align-content', 'order', 'flex-grow', 'flex-shrink', 'align-self']
+              buildProps: ['flex-direction', 'flex-wrap', 'justify-content', 'align-items', 'align-content', 'order', 'flex-basis', 'flex-grow', 'flex-shrink', 'align-self']
             },{
               name: 'Dimension',
               open: false,