Add node modules and compiled JavaScript from main (#54)

Co-authored-by: Oliver King <oking3@uncc.edu>

node_modules/jest-haste-map/build/lib/isWatchmanInstalled.js

@@ -0,0 +1,43 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+exports.default = isWatchmanInstalled;
+
+function _child_process() {
+  const data = require('child_process');
+
+  _child_process = function () {
+    return data;
+  };
+
+  return data;
+}
+
+function _util() {
+  const data = require('util');
+
+  _util = function () {
+    return data;
+  };
+
+  return data;
+}
+
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+async function isWatchmanInstalled() {
+  try {
+    await (0, _util().promisify)(_child_process().execFile)('watchman', [
+      '--version'
+    ]);
+    return true;
+  } catch {
+    return false;
+  }
+}