refactore directory structure

.config/awesome/bling/init.lua

@@ -0,0 +1,11 @@
+--[[
+     Bling
+     Layouts, widgets and utilities for Awesome WM
+--]]
+return {
+    layout = require(... .. ".layout"),
+    module = require(... .. ".module"),
+    helpers = require(... .. ".helpers"),
+    signal = require(... .. ".signal"),
+    widget = require(... .. ".widget"),
+}