Nvim: use oil instead of nvim-tree, add screensaver

.config/nvim/lua/plugins/nvim-cmp.lua

@@ -14,11 +14,12 @@ return {
   event = "InsertEnter",
   config = function()
     local cmp = require'cmp'
+    local snippy = require'snippy'
 
     cmp.setup({
         snippet = {
             expand = function(args)
-                require('snippy').expand_snippet(args.body)
+                snippy.expand_snippet(args.body)
             end,
         },
         window = {
@@ -29,11 +30,13 @@ return {
           ghost_text = true,
         },
         mapping = cmp.mapping.preset.insert({
-            ['<C-b>'] = cmp.mapping.scroll_docs(-4),
+            ['<C-p>'] = cmp.mapping.select_prev_item(),
+            ['<C-n>'] = cmp.mapping.select_next_item(),
+            ['<C-u>'] = 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 = false }),
+            ['<C-y>'] = cmp.mapping.confirm({ select = true }),
         }),
         sources = cmp.config.sources({
             { name = 'nvim_lsp' },