Set reduced updatetime for lsp diagnostics

lua/nvim_opts.lua

@@ -27,6 +27,9 @@ o.expandtab = false -- Insert <Tab> instead of spaces
 o.shiftwidth = 4 -- "Number of spaces used for each step of an (auto)indent"
 o.scrolloff = 8 -- Start scrolling when 8 away from top/bottom
 
+-- Set diagnostic updatetime
+vim.o.updatetime = 300
+
 -- search
 o.hlsearch = false
 o.incsearch = true -- Incremental highlighting while typing a search query