feat: update tsconfig references to include shared configuration

Author: productdevbook

playground-nuxt/tsconfig.json

@@ -1,8 +1,17 @@
 {
   "references": [
-    { "path": "./.nuxt/tsconfig.app.json" },
-    { "path": "./.nuxt/tsconfig.server.json" },
-    { "path": "./.nuxt/tsconfig.node.json" }
+    {
+      "path": "./.nuxt/tsconfig.app.json"
+    },
+    {
+      "path": "./.nuxt/tsconfig.server.json"
+    },
+    {
+      "path": "./.nuxt/tsconfig.shared.json"
+    },
+    {
+      "path": "./.nuxt/tsconfig.node.json"
+    }
   ],
   "files": []
 }