Integrated master/detail, refactor Icon, add base router

website/src/MasterDetail/DetailPlaceholder.js

@@ -0,0 +1,30 @@
+import React, { Component } from "react"
+import PropTypes from "prop-types"
+import { Column, Text } from "ui"
+
+export class DetailPlaceholder extends Component {
+  static propTypes = {
+    name: PropTypes.string,
+  }
+
+  render() {
+    const { name } = this.props
+    const capitalizedName = name.charAt(0).toUpperCase() + name.substr(1)
+
+    return (
+      <Column fillParent>
+        <Column.Item grow />
+        <Column.Item>
+          <Text size="large" align="center" width="100%">
+            {`Select a ${name} to view details here`}
+          </Text>
+          <br />
+          <Text size="small" align="center" width="100%">
+            {`Or 'Add New ${capitalizedName}'`}
+          </Text>
+        </Column.Item>
+        <Column.Item grow />
+      </Column>
+    )
+  }
+}