Add Header component with logo, nav using router and base styling

src/layouts/index.js

@@ -2,8 +2,8 @@ import React from 'react'
 import PropTypes from 'prop-types'
 import Helmet from 'react-helmet'
 
-import Header from '../components/header'
-import Footer from '../components/footer'
+import Header from '../components/Header'
+import Footer from '../components/Footer'
 import "../styles/index.css"
 
 const Layout = ({ children, data }) => (
@@ -14,7 +14,7 @@ const Layout = ({ children, data }) => (
         { name: 'description', content: 'We code & design great software' },
         { name: 'keywords', content: 'software, design, coding, programming, code, consulting' },
       ]}
-    />t
+    />
     <Header siteTitle={data.site.siteMetadata.title} />
     <main>
       {children()}