chore: import upstream snapshot with attribution

examples/lua/fizzbuzz.lua

@@ -0,0 +1,20 @@
+#!/usr/bin/env luajit
+cfizz,cbuzz=0,0
+for i=1,20 do
+	cfizz=cfizz+1
+	cbuzz=cbuzz+1
+	io.write(i .. ": ")
+	if cfizz~=3 and cbuzz~=5 then
+		io.write(i)
+	else
+		if cfizz==3 then
+			io.write("Fizz")
+			cfizz=0
+		end
+		if cbuzz==5 then
+			io.write("Buzz")
+			cbuzz=0
+		end
+	end
+	io.write("\n")
+end