chore: setup formatter and linter for VSCode

Author: scarf005

.vscode/settings.json

@@ -0,0 +1,14 @@
+{
+	"editor.formatOnSave": false,
+    "xo.enable": true,
+    "xo.format.enable": true,
+    "[javascript]": {
+        "editor.defaultFormatter": "samverschueren.linter-xo"
+    },
+    "[typescript]": {
+        "editor.defaultFormatter": "samverschueren.linter-xo"
+    },
+    "editor.codeActionsOnSave": {
+        "source.fixAll": "always"
+    }
+}