Add @type in Control.Applicative; fix @type in Data.Graphviz; fit some...

Add @type in Control.Applicative; fix @type in Data.Graphviz; fit some documentation on just one line
1 job for documentation in 1 minute and 44 seconds (queued for 20 seconds)
Status Job ID Name Coverage
  Test
passed #30509
test

00:01:44