Docs: Update Gemini benchmark results

tests/8_json_validator/outputs_gemini/gemini-3-pro-preview TEMP_0.4.js

@@ -0,0 +1,11 @@
+const validateJSON = async (data, schema) => {
+  try {
+    const { default: Ajv } = await import('https://esm.sh/ajv@8.17.1')
+    const validate = new Ajv({ allErrors: true }).compile(schema)
+    const valid = validate(data)
+    return { valid, errors: valid ? [] : validate.errors.map(e => `${e.instancePath} ${e.message}`.trim()) }
+  } catch (err) {
+    return { valid: false, errors: [err.message] }
+  }
+}
+export default validateJSON;