add toc entries for feature collection section

Author: jyaistMap

guide/04-feature-data-and-analysis/working-with-feature-layers-and-features.ipynb

@@ -1317,6 +1317,13 @@
     "Let us search for feature collection items published by Esri Media as an example:"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Searching for Feature Collections"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 86,
@@ -1397,6 +1404,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
+    "## Querying the Feature Collection\n",
     "You can call the `query()` method on a `FeatureCollection` object to get a `FeatureSet`."
    ]
   },
@@ -1413,6 +1421,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
+    "## Accessing features from a Feature Collection\n",
     "Once you have a `FeatureSet` object, you can access the `features` property to get a list of `Feature` objects as seen earlier"
    ]
   },