Adding tailwind as css library, build config and fetch posts fix

src/pages/index.js

@@ -3,6 +3,7 @@ import React from 'react'
 const IndexPage = () => (
   <div>
     <h1>Index page</h1>
+    <p>Testing</p>
   </div>
 )
 

src/pages/post-default.js

@@ -1,28 +0,0 @@
-import React, { Component } from 'react';
-
-class PostDefault extends Component {
-  render() {
-    const { data } = this.props
-    return (
-      <div>
-        <h1>Specific Post - {data.wordpressPost.title}</h1>
-        <div dangerouslySetInnerHTML={{
-          __html: data.wordpressPost.content
-        }}
-        />
-      </div>
-    );
-  }
-}
-
-export const query = graphql`
-  query PostDefaultQuery($slug: String!) {
-    wordpressPost(slug: {eq: $slug}) {
-      title
-      slug
-      content
-    }
-  }
-`
-
-export default PostDefault;