Added the neccessity of tempo token to README.md

stanislavulrych · stanislavulrych · commit b7ea92b675b1 · 2020-01-04T18:27:38.000+01:00
diff --git a/README.md b/README.md
@@ -16,6 +16,8 @@ pip install tempo-api-python-client
 
 ## Getting Started
 
+You need an API token for communicating with tempo REST APIs. Documentation could be found at https://tempo.io/doc/timesheets/api/rest/latest/
+
 ```
 from tempoapiclient import client
 
