change colorscheme and highlight method

lua/user/colorscheme.lua

@@ -1,6 +1,6 @@
 vim.cmd [[
 try
-  colorscheme delek
+  colorscheme nightfox
 catch /^Vim\%((\a\+)\)\=:E185/
   colorscheme default
   set background=dark

lua/user/lsp/handlers.lua

@@ -82,9 +82,6 @@ local function lsp_keymaps(bufnr)
   vim.api.nvim_buf_set_keymap(bufnr, "n", "]d", '<cmd>lua vim.diagnostic.goto_next({ border = "rounded" })<CR>', opts)
   vim.api.nvim_buf_set_keymap(bufnr, "n", "<leader>q", "<cmd>lua vim.diagnostic.setloclist()<CR>", opts)
   vim.cmd [[ command! Format execute 'lua vim.lsp.buf.formatting()' ]]
-  vim.cmd [[ hi LspReferenceText cterm=bold gui=bold ]]
-  vim.cmd [[ hi LspReferenceRead cterm=bold gui=bold ]]
-  vim.cmd [[ hi LspReferenceWrite cterm=bold gui=bold ]]
 end
 
 M.on_attach = function(client, bufnr)

lua/user/plugins.lua

@@ -48,7 +48,7 @@ return packer.startup(function(use)
   -- Colorschemes
   -- use "lunarvim/colorschemes" -- A bunch of colorschemes you can try out
   use "lunarvim/darkplus.nvim"
-
+  use "EdenEast/nightfox.nvim"
   -- cmp plugins
   use "hrsh7th/nvim-cmp" -- The completion plugin
   use "hrsh7th/cmp-buffer" -- buffer completions