Migrate to lazy.nvim with more lua config

after/plugin/cmp.lua

@@ -1,59 +0,0 @@
-local cmp = require('cmp')
-local lspkind = require('lspkind')
-
-cmp.setup({
-  snippet = {
-    expand = function(args)
-      vim.fn["vsnip#anonymous"](args.body)
-    end,
-  },
-  mapping = {
-    ['<C-y>'] = cmp.mapping.confirm({ select = true }),
-    ['<C-b>'] = cmp.mapping.scroll_docs(-4),
-    ['<C-f>'] = cmp.mapping.scroll_docs(4),
-    ['<C-Space>'] = cmp.mapping.complete(),
-    ['<C-e>'] = cmp.mapping.close(),
-    ['<CR>'] = cmp.mapping.confirm({
-      behavior = cmp.ConfirmBehavior.Replace,
-      select = true,
-    }),
-    ['<Tab>'] = function(fallback)
-      if cmp.visible() then
-        cmp.select_next_item()
-      else
-        fallback()
-      end
-    end
-  },
-  sources = cmp.config.sources({
-    { name = 'nvim_lsp' },
-    { name = 'vsnip' },
-    { name = "copilot"},
-  },{
-    { name = 'buffer' },
-    --{ name = 'path' },
-  }),
-  formatting = {
-    format = lspkind.cmp_format({
-      mode = 'symbol_text', -- show only symbol annotations
-      maxwidth = 80, -- prevent the popup from showing more than provided characters (e.g 50 will not show more than 50 characters)
-      ellipsis_char = '…', -- when popup menu exceed maxwidth, the truncated part would show ellipsis_char instead (must define maxwidth first)
-      symbol_map = { Copilot = "" },
-    })
-  },
-})
-
---cmp.setup.cmdline({ '/', '?' }, {
---  mapping = cmp.mapping.preset.cmdline(),
---  sources = {
---    { name = 'buffer' }
---  }
---})
---
----- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
---cmp.setup.cmdline(':', {
---  mapping = cmp.mapping.preset.cmdline(),
---  sources = cmp.config.sources({ }, {
---    { name = 'cmdline' }
---  })
---})