minor doc update + bump idom-client-react

the latest idom-client-react version just
includes some internal changes

Author: rmorshea

docs/source/extra-features.rst

@@ -16,14 +16,14 @@ To install **all** extra features run
     pip install idom[all]
 
 
-Sanic Layout Server
--------------------
+Layout Server Implementations
+-----------------------------
 
-At the moment this is the only supported :ref:`Layout Server` available for IDOM:
+There are several supported :ref:`Layout Server` implementations available for IDOM:
 
-.. code-block:: bash
-
-    pip install idom[sanic]
+- `Sanic <https://sanicframework.org/>`__: ``pip install idom[sanic]``
+- `Flask <https://palletsprojects.com/p/flask/>`__: ``pip install idom[flask]``
+- `Tornado <https://www.tornadoweb.org/en/stable/>`__: ``pip install idom[tornado]``
 
 
 Python Language Extension

idom/client/app/package-lock.json

@@ -19,7 +19,7 @@
     "snowpack": "2.12.1"
   },
   "dependencies": {
-    "idom-client-react": "^0.7.0",
+    "idom-client-react": "^0.7.3",
     "react": "^16.13.1",
     "react-dom": "^16.13.1"
   },