add ContT to Data Types menu

[Jasper-M]

No description provided.

[codecov-io]

Codecov Report

Merging #2966 into master will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2966      +/-   ##
==========================================
+ Coverage   93.91%   93.93%   +0.02%     
==========================================
  Files         371      371              
  Lines        7061     7061              
  Branches      177      177              
==========================================
+ Hits         6631     6633       +2     
+ Misses        430      428       -2

Impacted Files	Coverage Δ
...cala/cats/kernel/instances/FunctionInstances.scala	100% <0%> (+3.03%)	⬆️
testkit/src/main/scala/cats/tests/Helpers.scala	100% <0%> (+4%)	⬆️

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