Update wakatime readme

Author: lowlighter

source/plugins/wakatime/README.md

@@ -33,4 +33,6 @@ Then setup [WakaTime plugins](https://wakatime.com/plugins) to be ready to go!
     plugin_wakatime_days: 7                                   # Display last week stats
     plugin_wakatime_sections: time, projects, projects-graphs # Display time and projects sections, along with projects graphs
     plugin_wakatime_limit: 4                                  # Show 4 entries per graph
+    plugin_wakatime_url: http://wakatime.com                  # Wakatime url endpoint
+    plugin_wakatime_user: .user.login                         # User
 ```

source/plugins/wakatime/metadata.yml

@@ -56,13 +56,14 @@ inputs:
   # If you use a selfhosted wakatime instance (wakapi)
   # that is publicly available place your url here
   #
-  # If you use the public wakapi instance the url 
+  # If you use the public wakapi instance the url
   # would be https://wakapi.dev
   plugin_wakatime_url:
     description: Address where to reach your Wakatime instance
     type: string
     default: http://wakatime.com
 
+  # Username on Wakatime
   plugin_wakatime_user:
     description: Your Wakatime user on the selfhosted Wakapi instance
     type: string