docs: update

Author: davidturnbull

src/lingodotdev/__init__.py

@@ -1,9 +1,11 @@
-"""
-Public entry point for the Lingo.dev Python SDK.
+"""Public entry point for the Lingo.dev Python SDK.
+
+The package exposes LingoDotDevEngine, the asynchronous client used to access
+the Lingo.dev localization API. Refer to the engine module for detailed usage
+guidance.
 
-The package exposes :class:`~lingodotdev.engine.LingoDotDevEngine`, the
-asynchronous client used to access the Lingo.dev localization API. Refer to the
-engine module for detailed usage guidance.
+  async with LingoDotDevEngine({"api_key": "..."}) as engine:
+      result = await engine.localize_text("Hello", {"target_locale": "es"})
 """
 
 __version__ = "1.3.0"