chore: import upstream snapshot with attribution

plugins/web/parallel/__init__.py

@@ -0,0 +1,16 @@
+"""Parallel.ai web search + extract plugin — bundled, auto-loaded.
+
+First plugin in this repo to expose an async :meth:`extract` — Parallel's
+SDK is async-native (``AsyncParallel.beta.extract``). The web_extract_tool
+dispatcher detects coroutines via :func:`inspect.iscoroutinefunction` and
+awaits.
+"""
+
+from __future__ import annotations
+
+from plugins.web.parallel.provider import ParallelWebSearchProvider
+
+
+def register(ctx) -> None:
+    """Register the Parallel provider with the plugin context."""
+    ctx.register_web_search_provider(ParallelWebSearchProvider())