nvim-config/lua/plugins/auto-complete.lua

return {
      {
        "hrsh7th/nvim-cmp",
        dependencies = {
            "hrsh7th/cmp-buffer",
            "hrsh7th/cmp-path",
            "hrsh7th/cmp-nvim-lsp",
            "L3MON4D3/LuaSnip",
            "saadparwaiz1/cmp_luasnip",
        },
        config = function()
            local cmp = require("cmp")
            cmp.setup({
                snippet = {
                    expand = function(args)
                        require("luasnip").lsp_expand(args.body)
                    end,
                },
                mapping = cmp.mapping.preset.insert({
                    ['<C-b>'] = 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 = true }),
                }),
                sources = cmp.config.sources({
                    { name = 'nvim_lsp' },
                    { name = 'luasnip' },
                }, {
                    { name = 'buffer' },
                    { name = "path" },
                }),
            })
        end,
    }, 
    {
      "neovim/nvim-lspconfig"
    },
    {
     "nvim-treesitter/nvim-treesitter",
     config = function()
	  require('nvim-treesitter.configs').setup {
            ensure_installed = { 'c', 'cpp', 'cmake', 'bash', 'go', 'lua', 'python', 'java', 'git_config', 'git_rebase', 'gitattributes', 'gitcommit', 'gitignore', 'groovy', 'json', 'sql', 'vim', 'xml', 'tcl'},
	 }
    end,
    }
}