add examples for each

Author: rwtolbert

examples/each.janet

@@ -0,0 +1,9 @@
+# prints 12345
+(each x [1 2 3 4 5] (prin x)) # -> nil
+
+# prints 12345
+(each y @[1 2 3 4 5] (prin y)) # -> nil
+
+# prints values from table in an unspecified order
+# 21 -or- 12
+(each x {:a 1 :b 2} (prin x)) # -> nil