fix(nvim): set nvim-notify background color

config/astronvim/lua/user/init.lua

@@ -78,6 +78,9 @@ return {
   -- augroups/autocommands and custom filetypes also this just pure lua so
   -- anything that doesn't fit in the normal config locations above can go here
   polish = function()
+    require("notify").setup({
+      background_colour = "#000000",
+    })
     -- Set up custom filetypes
     -- vim.filetype.add {
     --   extension = {