Update readme with new config layout

README.md

@@ -16,27 +16,20 @@ Configuration
 
 Use the following environment variables to configure brood:
 
-    BROOD_ADDRESS=127.0.0.1 # DEFAULT: 0.0.0.0
-    BROOD_PORT=1234 # DEFAULT: 3456
+    BROOD_SERVER_ADDRESS=127.0.0.1 # DEFAULT
+    BROOD_SERVER_PORT=1234 # DEFAULT: 3456
 
-Configuration can also be done in a json/yaml/toml file. If there is a problem reading the file, brood will continue with its defaults.
-
-**YAML**
-
-    address: 127.0.0.1
-    port: 1234
-
-**JSON**
-
-    {
-      "address": "127.0.0.1",
-      "port": "1234",
-    }
+Configuration can also be done in a toml file. If there is a problem reading the file, brood will continue with its defaults.
 
 **TOML**
 
-    address = 127.0.0.1
-    port = 1234
+    [server]
+        address = 127.0.0.1
+        port = 1234
+    [auth.oauth]
+        host = "openshift.default.svc.cluster.local"
+        clientId = "openshift-challenging-client"
+        responseType = "token"
 
 Development
 -----