Change colorscheme, Add autocommands to handlers

lua/user/colorscheme.lua

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

lua/user/lsp/handlers.lua

@@ -46,7 +46,7 @@ end
 
 local function lsp_highlight_document(client)
   -- Set autocommands conditional on server_capabilities
-    if client.server_capabilities.documentFormattingProvider then
+    if client.server_capabilities.documentHighlightProvider then
   vim.api.nvim_exec(
       [[
       augroup lsp_document_highlight
@@ -82,6 +82,9 @@ 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

@@ -57,7 +57,6 @@ return packer.startup(function(use)
   use "saadparwaiz1/cmp_luasnip" -- snippet completions
   use "hrsh7th/cmp-nvim-lsp"
   use "hrsh7th/cmp-nvim-lua"
-
   -- snippets
   use "L3MON4D3/LuaSnip" --snippet engine
   use "rafamadriz/friendly-snippets" -- a bunch of snippets to use