Add a deprecation warning message (#226)

Author: haticekaratay

notebooks/MRS_Mstar_analysis/JWST_Mstar_dataAnalysis_runpipeline.ipynb

@@ -1,5 +1,14 @@
 {
  "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "<div class=\"alert alert-block alert-danger\">\n",
+    "    <p>This notebook is outdated and will be deprecated in October 2024</p>\n",
+    "</div>"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {
@@ -528,7 +537,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.5"
+   "version": "3.8.10"
   }
  },
  "nbformat": 4,