Add nimble file

butterfly.nimble

@@ -0,0 +1,18 @@
+# Package
+
+version       = "0.0.1"
+author        = "Joey Payne"
+description   = "Macro to make all your code step throughable."
+license       = "The Unlicense"
+
+srcDir = "src"
+
+# Requires custom Nim compiler patch
+# in order to patch procs on the fly
+requires "nim >= 0.18.1"
+
+task test, "Run tests":
+  exec "nim c -r tests/test.nim"
+
+task testjs, "Run tests on Node.js":
+  exec "nim js -d:nodejs -r tests/test.nim"