Hide .git and Python caches

Hide .git and mypy/native Python cache directories.

lua/plugins/neotree.lua

@@ -62,6 +62,11 @@ return {
                     visible = true,
                     hide_dotfiles = false,
                     hide_gitignored = true,
+                    never_show = {
+                        ".git",
+                        ".mypy_cache",
+                        "__pycache__",
+                    },
                 },
             },
         })