docs(cookbook): install notebook 08 NER model

cookbook/introduction/08_Your_First_Knowledge_Graph.ipynb

@@ -83,7 +83,18 @@
    "cell_type": "code",
    "metadata": {},
    "source": [
-    "!pip install semantica\n"
+    "%pip install semantica\n",
+    "\n",
+    "# spaCy models are distributed separately from the spaCy library. This lesson\n",
+    "# relies on the English model to recognize standalone places such as Cupertino.\n",
+    "import sys\n",
+    "import subprocess\n",
+    "import spacy\n",
+    "\n",
+    "try:\n",
+    "    spacy.load(\"en_core_web_sm\")\n",
+    "except OSError:\n",
+    "    subprocess.check_call([sys.executable, \"-m\", \"spacy\", \"download\", \"en_core_web_sm\"])\n"
    ],
    "execution_count": null,
    "outputs": []