feat: add duckbones flavor

lua/duckbones/init.lua

@@ -0,0 +1,17 @@
+local lush = require "lush"
+local generator = require "zenbones.specs"
+local p = require("duckbones.palette").dark
+
+local specs = generator.generate(p, "dark", generator.get_global_config("duckbones", "dark"))
+
+return lush.extends({ specs }).with(function()
+	---@diagnostic disable: undefined-global
+	-- selene: allow(undefined_variable)
+	return {
+		Statement { specs.Statement, fg = p.blossom },
+		Special { fg = p.leaf },
+		PreProc { fg = p.sky },
+	}
+	-- selene: deny(undefined_variable)
+	---@diagnostic enable: undefined-global
+end)