feat: a bunch of themes and vim be good

lua/custom/plugins/themes/malifluous.lua

@@ -0,0 +1,9 @@
+return {
+  'ramojus/mellifluous.nvim',
+  dependencies = { 'rktjmp/lush.nvim' },
+  config = function()
+    require('mellifluous').setup { --[[...]]
+    } -- optional, see configuration section.
+    -- vim.cmd('colorscheme mellifluous')
+  end,
+}