Add a README to fix publishing of packages on PyPI

Author: sandhose

synapse/README.rst

@@ -0,0 +1,14 @@
+==============================================
+Matrix Synapse module which implements MSC3886
+==============================================
+
+Usage::
+
+    pip install matrix-http-rendezvous-synapse
+
+In your homeserver.yaml::
+
+    modules:
+      - module: matrix_http_rendezvous_synapse.SynapseRendezvousModule
+        config:
+          prefix: /rendezvous