refactored and switched to config with packer

lua/config/plugins/cmp.lua

@@ -0,0 +1,22 @@
+local cmp = require 'cmp'
+cmp.setup({
+    snippet = {
+        expand = function(args)
+            require('luasnip').lsp_expand(args.body)
+        end
+    },
+    mapping = cmp.mapping.preset.insert({
+        ['<C-b>'] = cmp.mapping.scroll_docs(-4),
+        ['<C-f>'] = cmp.mapping.scroll_docs(4),
+        ['<c-space>'] = cmp.mapping.complete(),
+        ['<c-e>'] = cmp.mapping.abort(),
+        ['<cr>'] = cmp.mapping.confirm({ select = true }),
+        ['<tab>'] = cmp.mapping.select_next_item(),
+    }),
+    sources = cmp.config.sources({
+        { name = 'nvim_lsp' },
+        { name = 'luasnip' },
+        { name = 'path' },
+    }),
+})
+