Update dotfiles to reflect current setup as of 2026-02-23

AppData/Roaming/Code/User/settings.json

@@ -307,5 +307,7 @@
     "markdownlint.config": {},
     "markdownlint.focusMode": false,
     "markdownlint.configPath": "C:/Users/reazul.ashraf/.markdownlint.json",
-    "window.newWindowProfile": "Default"
+    "window.newWindowProfile": "Default",
+    "workbench.colorTheme": "Visual Studio Dark",
+    "workbench.editor.enablePreview": false
 }