Maintenance.md

@@ -2,6 +2,14 @@
 
 There are several tasks that need to be done regularly.
 
+## Daily and Weekly Builds
+
+Using [scheduled pipelines](https://docs.gitlab.com/ee/ci/pipelines/schedules.html), the project gets rebuilt every 
+* day on `dev`
+* week on `master`
+
+See https://collaborating.tuhh.de/cfg0846/research-topics-mat-tuhh/-/pipeline_schedules to see the currently active schedules.
+
 ## Link Checker
 
 Thanks to the Rechenzentrum, all projects that are properly registered feature a link checker, that runs once a month and checks for dead links:
@@ -12,7 +20,7 @@ Apparently this job checks all folders on `www3` and `www3-dev` recursively and
 
 ![image](uploads/944cb06faac81be2c693e2fc3469034d/image.png)
 
-### Deleting Link Checker Issues
+### Deleting Link Checker Issues 
 
 You can use the [GitLab Api](https://docs.gitlab.com/ee/api/) for this. Issues have been deleted using
 * [Postman](https://www.postman.com/)