added header with git lfs note

docs/notebooks/applications/application_main_figures.ipynb

@@ -1,5 +1,14 @@
 {
  "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Application Section - Main Figures\n",
+    "\n",
+    "Note: due to the size of the embeddings, you may need to have Git Large File Storage (lfs) installed on your machine. Please refer to [the git-lfs repo](https://github.com/git-lfs/git-lfs) for installation instructions. It may also be necessary to remove and again clone the repository after installing, in case you continue to receive pickling errors when loading models. "
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 1,