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/unindent.js

@@ -0,0 +1,25 @@
+/**
+ * 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.
+ */
+
+// Remove the indentation introduced by JSX
+function unindent(code) {
+  const lines = code.split('\n');
+  if (lines[0] === '') {
+    lines.shift();
+  }
+  if (lines.length <= 1) {
+    return code;
+  }
+
+  const indent = lines[0].match(/^\s*/)[0];
+  for (let i = 0; i < lines.length; ++i) {
+    lines[i] = lines[i].replace(new RegExp(`^${indent}`), '');
+  }
+  return lines.join('\n');
+}
+
+module.exports = unindent;