Ported config from nixvim.

Made some changes to taste along the way,
though there are some still to come.

lua/myLuaConf/plugins/completion.lua

@@ -6,20 +6,21 @@ end
 return {
   {
     "cmp-cmdline",
-    for_cat = "general.blink",
+    for_cat = "completion",
     on_plugin = { "blink.cmp" },
     load = load_w_after,
   },
   {
     "blink.compat",
-    for_cat = "general.blink",
+    for_cat = "completion",
     dep_of = { "cmp-cmdline" },
   },
   {
     "luasnip",
-    for_cat = "general.blink",
+    for_cat = "completion",
     dep_of = { "blink.cmp" },
-    after = function (_)
+    after = function(_)
+      vim.cmd.packadd("friendly-snippets")
       local luasnip = require 'luasnip'
       require('luasnip.loaders.from_vscode').lazy_load()
       luasnip.config.setup {}
@@ -27,31 +28,39 @@ return {
       local ls = require('luasnip')
 
       vim.keymap.set({ "i", "s" }, "<M-n>", function()
-          if ls.choice_active() then
-              ls.change_choice(1)
-          end
+        if ls.choice_active() then
+          ls.change_choice(1)
+        end
       end)
     end,
   },
   {
     "colorful-menu.nvim",
-    for_cat = "general.blink",
+    for_cat = "completion",
     on_plugin = { "blink.cmp" },
   },
   {
     "blink.cmp",
-    for_cat = "general.blink",
+    for_cat = "completion",
     event = "DeferredUIEnter",
-    after = function (_)
+    after = function(_)
       require("blink.cmp").setup({
         -- 'default' (recommended) for mappings similar to built-in completions (C-y to accept)
         -- See :h blink-cmp-config-keymap for configuring keymaps
-        keymap =  {
-          preset = 'default',
+        keymap = {
+          preset = "enter",
+          ["<Tab>"] = { "select_next", "fallback" },
+          ["<S-Tab>"] = { "select_prev", "fallback" },
         },
         cmdline = {
           enabled = true,
           completion = {
+            list = {
+              selection = {
+                preselect = false,
+                -- auto_insert = false,
+              },
+            },
             menu = {
               auto_show = true,
             },