Add Baklava in Flix (#4201)

Author: rzuckerm

archive/f/flix/baklava.flix

@@ -0,0 +1,9 @@
+def baklavaLine(n: Int32): String =
+    let numSpaces = Int32.abs(n);
+    let numStars = 21 - 2 * numSpaces;
+    String.repeat(numSpaces, " ") + String.repeat(numStars, "*")
+
+def main(): Unit \ IO =
+    List.range(-10, 11) |>
+    List.map(baklavaLine) |>
+    List.forEach(println)