feat(tests): added neotest (#642)

* feat(tests): adds test management

* refactor(tests): pr changes

* fix(tests): make dap keybind optional based on nvim-dap existence

lua/lazyvim/config/autocmds.lua

@@ -52,6 +52,7 @@ vim.api.nvim_create_autocmd("FileType", {
     "startuptime",
     "tsplayground",
     "checkhealth",
+    "neotest-output",
   },
   callback = function(event)
     vim.bo[event.buf].buflisted = false