scripts: move examples and tests in subdirs

client/luascripts/examples/example_cmdline.lua

@@ -0,0 +1,19 @@
+#!/usr/bin/env -S pm3 -l
+
+--[[
+A sampe script file on how to implement at cmd line inteface.
+It also demonstrates how the script can be used with a shebang.
+--]]
+
+print("This is how a cmd-line interface could be implemented\nPrint 'exit' to exit.\n")
+local answer
+repeat
+    io.write("$>")
+    io.flush()
+    answer = io.read()
+    if answer ~= 'exit' then
+        local func = assert(loadstring("return " .. answer))
+        io.write("\n"..tostring(func() or "").."\n");
+    end--]]
+until answer == "exit"
+print("Bye\n");