core: show hidden files in neotree by default

Show hidden files and directorys such at `.github` directory by default in neotree, without having to show them with `H`

Hidden files & directories are visually different to others

`H` still toggles the visibility of hidden files and directories

Author: practicalli-johnny

plugins/core.lua

@@ -95,4 +95,21 @@ return {
       -- background_color = "#000000",
     },
   },
+
+  {
+    "nvim-neo-tree/neo-tree.nvim",
+    opts = {
+      filesystem = {
+        filtered_items = {
+          -- when true, they will just be displayed differently than normal items
+          visible = true,
+          -- remains hidden even if visible is toggled to true, this overrides always_show
+          never_show = {
+            ".DS_Store",
+            "thumbs.db",
+          },
+        },
+      },
+    },
+  },
 }