feat: show lsp used in completion

lua/custom/plugins/nvim-cmp.lua

@@ -0,0 +1,30 @@
+local function format_item(entry, vim_item)
+  -- Add the source name to the beginning of the label
+  vim_item.menu = '[' .. entry.source.name .. '] '
+  if entry.source.get_debug_name then
+    -- If the source is an LSP, add the LSP name to the menu and kind fields
+    vim_item.menu = '[' .. entry.source:get_debug_name() .. ']'
+    -- vim_item.kind = string.format('%s %s', entry.source.name, vim_item.kind)
+  else
+    -- If the source is not an LSP, use a default value for the menu and kind fields
+    vim_item.menu = vim_item.menu
+    -- vim_item.kind = string.format('%s %s', entry.source.name, vim_item.kind)
+  end
+  return vim_item
+end
+
+-- Configure nvim-cmp
+-- local cmp = require 'cmp'
+-- local config = cmp.get_config()
+-- table.insert(config.formatting, {
+--   format = format_item,
+-- })
+-- cmp.setup(config)
+
+require('cmp').setup {
+  formatting = {
+    format = format_item,
+  },
+}
+
+return {}