feat: add example configuration for vscode with volor (#791)

Co-authored-by: Dominik Pschenitschni <mail@celement.de>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/791
Co-authored-by: dpschen <dpschen@noreply.kolaente.de>
Co-committed-by: dpschen <dpschen@noreply.kolaente.de>

tsconfig.json

@@ -36,7 +36,13 @@
   "include": [
     "src/**/*.ts",
     "src/**/*.tsx",
+    "src/**/*.vue",
     "tests/**/*.ts",
     "tests/**/*.tsx"
-  ]
+  ],
+
+  // https://github.com/johnsoncodehk/volar#using
+  "vueCompilerOptions": {
+    "experimentalCompatMode": 2
+  },
 }