docs: [ci] generate new docs

docs/hilbish.txt

@@ -35,3 +35,5 @@ run(cmd) > Runs `cmd` in Hilbish's sh interpreter.
 
 timeout(cb, time) > Runs the `cb` function after `time` in milliseconds
 
+which(binName) > Searches for an executable called `binName` in the directories of $PATH
+

emmyLuaDocs/hilbish.lua

@@ -65,4 +65,7 @@ function hilbish.run(cmd) end
 --- @param time number
 function hilbish.timeout(cb, time) end
 
+--- Searches for an executable called `binName` in the directories of $PATH
+function hilbish.which() end
+
 return hilbish