Timecamp additions (#12012)

additions timecamp

docs/system-admin-guide/integrations/README.md

@@ -54,6 +54,10 @@ To activate it in the Enterprise cloud please [get in touch](https://www.openpro
 
 There is an OpenProject integration with Thunderbird from the Community. Please note that this add-on is not officially supported and that we do not take any liability when you use it. You can find it [here](https://addons.thunderbird.net/en-GB/thunderbird/addon/thunderbird-openproject/).
 
+## TimeCamp
+
+There is an integration between OpenProject and TimeCamp. We provide a [short instruction](../../user-guide/time-and-costs/time-tracking/timecamp-integration/) how to set it up and use it. However, please note that this add-on is not officially supported and we do not take any liability when you use it. 
+
 ## Timesheet
 
 Currently, there is no direct integration between OpenProject and Timesheet. If you are looking for a time tracking tool with a simple push of a button, consider the integration with [Toggl](../../user-guide/time-and-costs/time-tracking/toggl-integration/).

docs/user-guide/time-and-costs/time-tracking/timecamp-integration/README.md

@@ -8,6 +8,8 @@ keywords: time tracking, timecamp integration
 
 # Time tracking with TimeCamp
 
+Please note that the TimeCamp integration is not officially supported by OpenProject and consequently is not actively maintained.
+
 TimeCamp allows you to track your time spent on OpenProject work packages with a start/stop button. The times will then be recorded in your [TimeCamp account](https://app.timecamp.com/auth/login).
 
 ## Installation