ENH: Customized VSCode Window Color (#712)

.vscode/settings.json

@@ -5,6 +5,11 @@
     ],
     "python.testing.unittestEnabled": false,
     "python.testing.pytestEnabled": true,
+    "workbench.colorCustomizations": {
+        "activityBar.background": "#07338b",
+        "titleBar.activeBackground": "#07338b",
+        "titleBar.activeForeground": "#F8FCE5"
+    },
     "files.trimTrailingWhitespace": true,
     "files.trimFinalNewlines": true,
     "files.insertFinalNewline": true