Add text to tutorial describing the Stack shebang line
I already knew what Stack is and was excited to see it can be used in this manner, but I had to spend several minutes searching the web to figure out what was going on with the second line in these scripts.
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@ -33,6 +33,14 @@
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> $ stack install turtle
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The first two lines of each script below contain boilerplate instructions
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so that `stack` will load and run the script. This helps ensure that a
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script will run on any computer that has a `stack` executable, as `stack`
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can install a Haskell compiler if one is not already present.
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If you are curious about how these two lines work, they are described here:
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<https://github.com/commercialhaskell/stack/blob/master/doc/GUIDE.md#ghcrunghc>
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-}
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module Turtle.Tutorial (
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