Add Lapis detector & analyzer (lua web framework)

[hahwul]

• https://leafo.net/lapis/
• https://github.com/leafo/lapis
• https://leafo.net/lapis/reference/actions.html

Lapis is a web framework for Lua/MoonScript (~3k GitHub stars) running on OpenResty (Nginx + LuaJIT) with pattern-based routing.