integrate selene linting

lua/nordbones/init.lua

@@ -5,6 +5,8 @@ local p = require "nordbones.palette"
 local specs = generator.generate(p.derived, "dark", generator.get_global_config("nordbones", "dark"))
 
 return lush.extends({ specs }).with(function()
+	---@diagnostic disable: undefined-global
+	-- selene: allow(undefined_variable)
 	return {
 		Number { fg = p.base.nord7, gui = "italic" },
 		Identifer { fg = p.derived.fg },
@@ -12,4 +14,6 @@ return lush.extends({ specs }).with(function()
 		Statement { fg = p.base.nord9 },
 		Type { fg = p.base.nord10 },
 	}
+	-- selene: deny(undefined_variable)
+	---@diagnostic enable: undefined-global
 end)