add docs for fastapi render server

Author: rmorshea

docs/source/core-concepts.rst

@@ -179,6 +179,12 @@ with support for the following web servers:
 
   - :class:`idom.server.sanic.SharedClientStateServer`
 
+- `fastapi.FastAPI <https://fastapi.tiangolo.com/>`__ (``pip install idom[fastapi]``)
+
+  - :class:`idom.server.fastapi.PerClientStateServer`
+
+  - :class:`idom.server.fastapi.SharedClientStateServer`
+
 - :class:`flask.Flask` (``pip install idom[flask]``)
 
   - :class:`idom.server.flask.PerClientStateServer`

docs/source/installation.rst

@@ -46,6 +46,9 @@ table below:
     *   - ``sanic``
         - `Sanic <https://sanicframework.org/>`__ as a :ref:`Layout Server`
 
+    *   - ``fastapi``
+        - `FastAPI <https://fastapi.tiangolo.com//>`__ as a :ref:`Layout Server`
+
     *   - ``tornado``
         - `Tornado <https://www.tornadoweb.org/en/stable/>`__ as a :ref:`Layout Server`
 

docs/source/package-api.rst

@@ -53,6 +53,13 @@ Flask Servers
     :members:
 
 
+FastAPI Servers
+-------------
+
+.. automodule:: idom.server.fastapi
+    :members:
+
+
 Tornado Servers
 ---------------