feat(none-ls.lua): add none-ls plugin configuration

The none-ls plugin is added to the list of plugins in the absolute configuration. The plugin is configured to load the "absolute.after.none-ls" module. This configuration allows for the integration of the none-ls plugin into the absolute plugin system.

lua/absolute/plugins/none-ls.lua

@@ -0,0 +1,7 @@
+return {
+    "nvimtools/none-ls.nvim",
+    config = function()
+        require("absolute.after.none-ls")
+    end
+
+}