Updated config example (#93)

* update config example

* added config.spec

Author: Denis Gursky

README.md

@@ -30,17 +30,20 @@ include the following:
 ```conf
 [default]
 host = azure.relationalai.com
-port = <api-port>      # optional, default: 443
-scheme = <scheme>      # optional, default: https
 client_id = <your client_id>
 client_secret = <your client secret>
-client_credentials_url = <account login URL>  # optional
-# default: https://login.relationalai.com/oauth/token
+
+# the following are all optional, with default values shown
+# port = 443
+# scheme = https
+# client_credentials_url = https://login.relationalai.com/oauth/token
 ```
 
 Client credentials can be created using the RAI console at
 https://console.relationalai.com/login
 
+You can copy `config.spec` from the root of this repo and modify as needed.
+
 ### Usage
 
 The package provides `readConfig` helper that reads the configuration file

config.spec

@@ -0,0 +1,9 @@
+[default]
+host = azure.relationalai.com
+client_id = <your client_id>
+client_secret = <your client secret>
+
+# the following are all optional, with default values shown
+# port = 443
+# scheme = https
+# client_credentials_url = https://login.relationalai.com/oauth/token