changed virtual lines

lua/plugins/lsp-virtual-improved.lua

@@ -0,0 +1,14 @@
+return {
+  'luozhiya/lsp-virtual-improved.nvim',
+  event = { 'LspAttach' },
+  config = function()
+    require('lsp-virtual-improved').setup()
+    local diagnostics = {
+      virtual_text = false, -- Disable builtin virtual text diagnostic.
+      virtual_improved = {
+        current_line = 'only',
+      },
+    }
+    vim.diagnostic.config(diagnostics)
+  end,
+}