Update nvim-cmp configuration for new versions

symlinks/config/nvim/lua/lsp/completion.lua

@@ -17,7 +17,21 @@ cmp.setup {
         ["<C-f>"] = cmp.mapping.scroll_docs(4),
         ["<C-Space>"] = cmp.mapping.complete(),
         ["<C-e>"] = cmp.mapping.close(),
-        ["<C-y>"] = cmp.mapping.confirm({select = true})
+        ["<C-y>"] = cmp.mapping.confirm({select = true}),
+        ["<C-n>"] = function(fallback)
+            if cmp.visible() then
+                cmp.select_next_item()
+            else
+                fallback()
+            end
+        end,
+        ["<C-p>"] = function(fallback)
+            if cmp.visible() then
+                cmp.select_prev_item()
+            else
+                fallback()
+            end
+        end
     },
     sources = {
         {name = "nvim_lsp"},