add snips to cmp

lua/completion.lua

@@ -8,6 +8,7 @@ local cmp = require 'cmp'
 
 cmp.setup {
   sources = {
+    { name = 'luasnip' },
     { name = 'nvim_lsp' },
     { name = 'path' },
     { name = 'buffer' },
@@ -61,3 +62,5 @@ vim.keymap.set({ 'i', 's' }, '<c-j>', function()
     ls.jump(-1)
   end
 end, { silent = true })
+
+require('luasnip/loaders/from_vscode').lazy_load()