Move test scripts into test-scripts

test-scripts/example

@@ -0,0 +1,23 @@
+#!/usr/bin/env curly
+3
+=cnt
+\Hello, world
+enl
+=hello
+\
+=result
+:loop
+$result
+$hello
+cat
+=result
+$cnt
+dec
+=cnt
+$cnt
+0
+>loop
+ggt
+$result
+out
+end