Add the lists of public rooms on the server (#105)

* Add room directory and the switches to rooms settings

* Fix react admin version

src/synapse/dataProvider.js

@@ -195,6 +195,30 @@ const resourceMap = {
       return json.total;
     },
   },
+  room_directory: {
+    path: "/_matrix/client/r0/publicRooms",
+    map: rd => ({
+      ...rd,
+      id: rd.room_id,
+      public: !!rd.public,
+      guest_access: !!rd.guest_access,
+      avatar_src: mxcUrlToHttp(rd.avatar_url),
+    }),
+    data: "chunk",
+    total: json => {
+      return json.total_room_count_estimate;
+    },
+    create: params => ({
+      endpoint: `/_matrix/client/r0/directory/list/room/${params.id}`,
+      body: { visibility: "public" },
+      method: "PUT",
+    }),
+    delete: params => ({
+      endpoint: `/_matrix/client/r0/directory/list/room/${params.id}`,
+      body: { visibility: "private" },
+      method: "PUT",
+    }),
+  },
 };
 
 function filterNullValues(key, value) {