Add stack.yaml

Author: dwayne

.gitignore

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+.stack-work/

stack.yaml

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+resolver: lts-13.24
+packages: []

stack.yaml.lock

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+# This file was autogenerated by Stack.
+# You should not edit this file by hand.
+# For more information, please see the documentation at:
+#   https://docs.haskellstack.org/en/stable/lock_files
+
+packages: []
+snapshots:
+- completed:
+    size: 498402
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/13/24.yaml
+    sha256: 33e96adfe24f112b62f6edd22565cdbaa13155703bbfbfdc3d0a9bc6138ae7bf
+  original: lts-13.24