added vscode settings.json

.vscode/settings.json

@@ -0,0 +1,8 @@
+{
+    "dotnet.defaultSolution": "FirstProject.sln",
+    "editor.fontSize": 14,
+    "window.zoomLevel": 1,
+    "terminal.integrated.fontSize": 14,
+    "workbench.tree.indent": 23
+
+}