add a new cell with unzipping train.zip

once dogs-vs-cats.zip is unzip it produces train.zip and test1.zip, so we need to also unzip train.zip

Author: Kuz-man

chapter08_intro-to-dl-for-computer-vision.ipynb

@@ -275,6 +275,17 @@
     "!unzip -qq dogs-vs-cats.zip"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 0,
+   "metadata": {
+    "colab_type": "code"
+   },
+   "outputs": [],
+   "source": [
+    "!unzip -qq train.zip"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {