added dadbod for sql

lua/custom/plugins/dadbod.lua

@@ -0,0 +1,11 @@
+return {
+  'kristijanhusak/vim-dadbod-ui',
+  dependencies = {
+    { 'tpope/vim-dadbod', lazy = true },
+    { 'kristijanhusak/vim-dadbod-completion' },
+  },
+  config = function()
+    vim.g.db_ui_use_nerd_fonts = 1
+    vim.g.db_ui_show_database_icon = 1
+  end,
+}