Add initial notebook with widget state saved

notebooks/Simple plot.ipynb

+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import plotly.graph_objs as go\n",
+    "from ipywidgets import IntSlider, VBox"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "application/vnd.jupyter.widget-view+json": {
+       "model_id": "7ea9cf0f2a184f95bbce63f39c375e3a",
+       "version_major": 2,
+       "version_minor": 0
+      },
+      "text/plain": [
+       "FigureWidget(**{\n",
+       "    'data': [{'type': 'scatter', 'uid': 'afbdbe06-6f10-11e8-bdbe-645aede86e5b', 'y': [3, 2, 3…"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "fig = go.FigureWidget(data=[{'y': [3, 2, 3, 4]}])\n",
+    "fig"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "application/vnd.jupyter.widget-view+json": {
+       "model_id": "50259ebcebfe4d8bb93db736ef5d9af2",
+       "version_major": 2,
+       "version_minor": 0
+      },
+      "text/plain": [
+       "VBox(children=(FigureWidget(**{\n",
+       "    'data': [{'type': 'scatter', 'uid': 'afbdbe06-6f10-11e8-bdbe-645aede86e5b'…"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    }
+   ],
+   "source": [
+    "slider = IntSlider()\n",
+    "VBox([fig, slider])"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.6.5"
+  },
+  "widgets": {
+   "application/vnd.jupyter.widget-state+json": {
+    "state": {
+     "2cd78ee757874d6e9a2a872bb597a6a4": {
+      "model_module": "@jupyter-widgets/base",
+      "model_module_version": "1.0.0",
+      "model_name": "LayoutModel",
+      "state": {}
+     },
+     "50259ebcebfe4d8bb93db736ef5d9af2": {
+      "model_module": "@jupyter-widgets/controls",
+      "model_module_version": "1.2.0",
+      "model_name": "VBoxModel",
+      "state": {
+       "children": [
+        "IPY_MODEL_7ea9cf0f2a184f95bbce63f39c375e3a",
+        "IPY_MODEL_f7b5cda341ea4a43a8bc26a2cac8c250"
+       ],
+       "layout": "IPY_MODEL_5a2d5a253c4d46adb20941b5207def37"
+      }
+     },
+     "5a2d5a253c4d46adb20941b5207def37": {
+      "model_module": "@jupyter-widgets/base",
+      "model_module_version": "1.0.0",
+      "model_name": "LayoutModel",
+      "state": {}
+     },
+     "7ea9cf0f2a184f95bbce63f39c375e3a": {
+      "model_module": "plotlywidget",
+      "model_module_version": "0.1.0",
+      "model_name": "FigureModel",
+      "state": {
+       "_data": [
+        {
+         "type": "scatter",
+         "uid": "afbdbe06-6f10-11e8-bdbe-645aede86e5b",
+         "y": [
+          3,
+          2,
+          3,
+          4
+         ]
+        }
+       ],
+       "_js2py_pointsCallback": {},
+       "_js2py_relayout": {},
+       "_js2py_restyle": {},
+       "_js2py_update": {},
+       "_py2js_addTraces": {},
+       "_py2js_animate": {},
+       "_py2js_deleteTraces": {},
+       "_py2js_moveTraces": {},
+       "_py2js_relayout": {},
+       "_py2js_removeLayoutProps": {},
+       "_py2js_removeTraceProps": {},
+       "_py2js_restyle": {},
+       "_py2js_update": {},
+       "_view_count": 4
+      }
+     },
+     "a23080bb2d79489ba1dc9204f3a54bb0": {
+      "model_module": "@jupyter-widgets/controls",
+      "model_module_version": "1.2.0",
+      "model_name": "SliderStyleModel",
+      "state": {
+       "description_width": ""
+      }
+     },
+     "f7b5cda341ea4a43a8bc26a2cac8c250": {
+      "model_module": "@jupyter-widgets/controls",
+      "model_module_version": "1.2.0",
+      "model_name": "IntSliderModel",
+      "state": {
+       "layout": "IPY_MODEL_2cd78ee757874d6e9a2a872bb597a6a4",
+       "style": "IPY_MODEL_a23080bb2d79489ba1dc9204f3a54bb0"
+      }
+     }
+    },
+    "version_major": 2,
+    "version_minor": 0
+   }
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}