Update spotlight SaQC

Closes #331 (closed)

• Review link

Checklist for authors

• Add a link pointing to the review app

Checklist for reviewers

• Reference the corresponding issue in MR
• File size of images is not too large
• Update date_added attribute
• Centres are referenced by official names
• License is named by SPDX identifier if possible
• All links are pointing to the right place

/cc @frust45 @konrad @jandt-desy @christian.meessen

_spotlights/saqc.md

@@ -3,9 +3,11 @@ layout: spotlight
 
 # Spotlight list attributes
 name: SaQC
-date_added: 2022-01-17
+date_added: 2022-07-28
 preview_image: saqc/SaQC_logo.png
-excerpt: A consistent, extensible, easy-to-use tool/framework for reproducible quality control of time series data.
+excerpt: >
+    A consistent, extensible, easy-to-use tool/framework for reproducible 
+    quality control of time series data.
 
 # Title for individual page
 title_image: default