ci(node): run examples in CI (#1796)

This is done as setup for a PR that will fix the OpenAI dependency
issue.

 * [x] FTS examples
 * [x] Setup mock openai
 * [x] Ran `npm audit fix`
 * [x] sentences embeddings test
 * [x] Double check formatting of docs examples

nodejs/biome.json

@@ -9,7 +9,8 @@
       "**/native.js",
       "**/native.d.ts",
       "**/npm/**/*",
-      "**/.vscode/**"
+      "**/.vscode/**",
+      "./examples/*"
     ]
   },
   "formatter": {