feat: add plugin visual whitespace

lua/plugins/visual-whitespace.lua

@@ -0,0 +1,28 @@
+--
+-- Reveal whitespace characters in visual mode, similar to VSCode.
+--
+-- Source: https://github.com/mcauley-penney/visual-whitespace.nvim
+-- ..............................................
+--
+-- Author: Sven Vogel
+-- Created: 20.11.2024
+-- Edited: 20.11.2024
+--
+-- ==============================================
+
+return {
+    {
+        'mcauley-penney/visual-whitespace.nvim',
+        config = true,
+        opts = {
+            highlight = {
+                link = "Visual"
+            },
+            excluded = {
+                filetypes = {
+                    "neo-tree"
+                }
+            }
+        }
+    }
+}