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/start-server.js

@@ -0,0 +1,50 @@
+#!/usr/bin/env node
+
+/**
+ * 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.
+ */
+
+require('babel-register')({
+  babelrc: false,
+  only: [__dirname, `${process.cwd()}/core`],
+  plugins: [
+    require('./server/translate-plugin.js'),
+    'transform-class-properties',
+    'transform-object-rest-spread',
+  ],
+  presets: ['react', 'env'],
+});
+
+const chalk = require('chalk');
+const fs = require('fs');
+const program = require('commander');
+
+const CWD = process.cwd();
+const env = require('./server/env.js');
+
+const {startDocusaurus} = require('./server/start.js');
+
+if (!fs.existsSync(`${CWD}/siteConfig.js`)) {
+  console.error(
+    chalk.red('Error: No siteConfig.js file found in website folder!'),
+  );
+  process.exit(1);
+}
+
+if (env.versioning.enabled && env.versioning.missingVersionsPage) {
+  env.versioning.printMissingVersionsPageError();
+  process.exit(1);
+}
+
+program
+  .option('--port <number>', 'Specify port number')
+  .option('--no-watch', 'Toggle live reload file watching')
+  .parse(process.argv);
+
+startDocusaurus().catch(ex => {
+  console.error(chalk.red(`Failed to start Docusaurus server: ${ex}`));
+  process.exit(1);
+});