Integrate neovim config into home-manager, separate external configs under config/

config/nvim/lua/eliaskohout-old/after/plugin/cmp.lua

@@ -0,0 +1,26 @@
+-- cmp
+
+local cmp = require('cmp')
+
+cmp.setup({
+  snippet = {
+    -- REQUIRED - you must specify a snippet engine
+    expand = function(args)
+      vim.snippet.expand(args.body) -- For native neovim snippets (Neovim v0.10+)
+    end,
+  },
+  mapping = cmp.mapping.preset.insert({
+    ['<C-b>'] = cmp.mapping.scroll_docs(-4),
+    ['<C-f>'] = cmp.mapping.scroll_docs(4),
+    ['<C-e>'] = cmp.mapping.abort(),
+    ['<CR>']  = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
+    ["<C-j>"] = cmp.mapping.select_next_item({ behavior = cmp.SelectBehavior.Select }),
+    ["<C-k>"] = cmp.mapping.select_prev_item({ behavior = cmp.SelectBehavior.Select }),
+  }),
+  sources = cmp.config.sources({
+      { name = 'nvim_lsp' }, },
+      { { name = 'buffer' }, }
+  )
+})
+
+