Move Docusaurus 1 files into directory (#966)

* Move Docusaurus 1 into v1 directory

* Update Circle CI commands for new v1 dir

* Remove OC

* Fix tests

v1/lib/core/DocsSidebar.js

@@ -0,0 +1,35 @@
+/**
+ * Copyright (c) 2017-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+const React = require('react');
+const Container = require('./Container.js');
+const SideNav = require('./nav/SideNav.js');
+const readCategories = require('../server/readCategories.js');
+
+class DocsSidebar extends React.Component {
+  render() {
+    const sidebar = this.props.metadata.sidebar;
+    const docsCategories = readCategories(sidebar);
+    const categoryName = docsCategories[this.props.metadata.language][0].name;
+    if (!categoryName) {
+      return null;
+    }
+    return (
+      <Container className="docsNavContainer" id="docsNav" wrapper={false}>
+        <SideNav
+          language={this.props.metadata.language}
+          root={this.props.root}
+          title={this.props.title}
+          contents={docsCategories[this.props.metadata.language]}
+          current={this.props.metadata}
+        />
+      </Container>
+    );
+  }
+}
+
+module.exports = DocsSidebar;