Update docs for search function

docs/index.rst

@@ -340,6 +340,18 @@ Card dicts
         'provider_url': # URL pointing to the embeds provider
     }
 
+Search result dicts
+~~~~~~~~~~~~~~~~~~~
+.. code-block:: python
+
+    mastodon.search(...)
+    # Returns the folowing dictionary
+    {
+        'accounts': # List of account dicts resulting from the query
+        'hashtags': # List of hashtag dicts resulting from the query
+        'statuses': # List of toot dicts resulting from the query
+    }    
+    
 Instance dicts
 ~~~~~~~~~~~~~~
 .. code-block:: python

mastodon/Mastodon.py

@@ -601,7 +601,7 @@ class Mastodon:
         Fetch matching hashtags, accounts and statuses. Will search federated
         instances if resolve is True.
 
-        Returns a dict of lists.
+        Returns a search result dict.
         """
         params = self.__generate_params(locals())
         return self.__api_request('GET', '/api/v1/search', params)