integrate selene linting

lua/rosebones/init.lua

@@ -6,9 +6,13 @@ local p = require("rosebones.palette")[bg]
 local specs = generator.generate(p, bg, generator.get_global_config("rosebones", bg))
 
 return lush.extends({ specs }).with(function()
+	---@diagnostic disable: undefined-global
+	-- selene: allow(undefined_variable)
 	return {
 		Statement { fg = p.leaf },
 		Special { fg = p.water },
 		Type { fg = p.text },
 	}
+	-- selene: deny(undefined_variable)
+	---@diagnostic enable: undefined-global
 end)