Fix VSCode settings by adding newline at end of file and ensuring Python interpreter path is correctly set

.vscode/settings.json

@@ -36,5 +36,6 @@
     "editor.formatOnSave": true,
     "diffEditor.codeLens": true,
     "github.copilot.nextEditSuggestions.enabled": true,
-    "github.copilot.selectedCompletionModel": ""
+    "github.copilot.selectedCompletionModel": "",
+    "python.defaultInterpreterPath": "${workspaceFolder}/.venv/bin/python"
 }