feature: add wiggle properties

[magnusbrecke]

Description

Added wiggle properties to articles, like the banner

Testing

• The code quality is at a minimum required level of quality, readability, and performance.
• I have thoroughly tested my changes.

Resolves ABA-1619
Related frontend PR: webkom/lego-webapp#5831

[linear]

ABA-1619 Wiggle pinned article if wanted - backend

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.59%. Comparing base (eddc2f8) to head (0c046d8).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3872   +/-   ##
=======================================
  Coverage   82.59%   82.59%           
=======================================
  Files         359      359           
  Lines       12681    12682    +1     
=======================================
+ Hits        10474    10475    +1     
  Misses       2207     2207           

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[sondrejk]

LGTM!