Add docs

Author: igorlukanin

docs/pages/reference/configuration/environment-variables.mdx

@@ -1301,6 +1301,15 @@ If `true`, then use WebSocket for data fetching.
 | --------------- | ---------------------- | --------------------- |
 | `true`, `false` | `true`                 | `true`                |
 
+## `CUBEJS_TESSERACT_ORCHESTRATOR`
+
+If `true`, enables performance optimizations in the query orchestrator,
+such as deserializing Cube Store result sets in native Rust code.
+
+| Possible Values | Default in Development | Default in Production |
+| --------------- | ---------------------- | --------------------- |
+| `true`, `false` | `true`                 | `true`                |
+
 ## `CUBESTORE_AWS_ACCESS_KEY_ID`
 
 The Access Key ID for AWS. Required when using AWS S3.