Use include-files instead of exclude-files in .luacheckrc
Use include-files instead of exclude-files in .luacheckrc

Avoids checking files in build/ and package/ on `luacheck .` command.

xpol/luacheck,linuxmaniac/luacheck,mpeterv/luacheck,xpol/luacheck,mpeterv/luacheck,mpeterv/luacheck,linuxmaniac/luacheck,xpol/luacheck