Update nvim-cmp config

lua/plugin/config/cmp.lua

@@ -63,7 +63,6 @@ cmp.setup({
         ["<C-n>"] = cmp.mapping.select_next_item(),
         ["<C-d>"] = 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(
             function (fallback)
@@ -92,7 +91,6 @@ cmp.setup({
                 end
             end, { "i", "s", }
         ),
-
         ["<S-Tab>"] = cmp.mapping(
             function (fallback)
                 if cmp.visible() then
@@ -104,14 +102,32 @@ cmp.setup({
                 end
             end, { "i", "s", }
         ),
+        ["<Down>"] = cmp.mapping(
+            function (fallback)
+                if cmp.visible() then
+                    cmp.select_next_item()
+                else
+                    fallback()
+                end
+            end, { "i", "s", }
+        ),
+        ["<Up>"] = cmp.mapping(
+            function (fallback)
+                if cmp.visible() then
+                    cmp.select_prev_item()
+                else
+                    fallback()
+                end
+            end, { "i", "s", }
+        ),
     },
     sources = {
-        -- { name = 'buffer' },
-        { name = "path", },
         { name = "nvim_lsp", },
+        { name = "luasnip", },
+        { name = "path", },
+        -- { name = 'buffer' },
         -- { name = 'nvim_lsp_signature_help' },
         -- { name = 'nvim_lua' },
-        { name = "luasnip", },
     },
 })