feat(blink): enable docs and ghost_text

lua/plugins/cmp.lua

@@ -4,7 +4,7 @@ return {
   dependencies = 'rafamadriz/friendly-snippets',
 
   -- use a release tag to download pre-built binaries
-  version = 'v0.*',
+  version = '*',
 
   ---@module 'blink.cmp'
   ---@type blink.cmp.Config
@@ -26,6 +26,11 @@ return {
       nerd_font_variant = 'mono',
     },
 
+    completion = {
+      documentation = { auto_show = true, auto_show_delay_ms = 500 },
+      ghost_text = { enabled = true },
+    },
+
     -- default list of enabled providers defined so that you can extend it
     -- elsewhere in your config, without redefining it, via `opts_extend`
     sources = {