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

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

node_modules/prompts/lib/util/entriesToDisplay.js

@@ -0,0 +1,21 @@
+'use strict';
+
+/**
+ * Determine what entries should be displayed on the screen, based on the
+ * currently selected index and the maximum visible. Used in list-based
+ * prompts like `select` and `multiselect`.
+ *
+ * @param {number} cursor the currently selected entry
+ * @param {number} total the total entries available to display
+ * @param {number} [maxVisible] the number of entries that can be displayed
+ */
+module.exports = (cursor, total, maxVisible)  => {
+  maxVisible = maxVisible || total;
+
+  let startIndex = Math.min(total- maxVisible, cursor - Math.floor(maxVisible / 2));
+  if (startIndex < 0) startIndex = 0;
+
+  let endIndex = Math.min(startIndex + maxVisible, total);
+
+  return { startIndex, endIndex };
+};