feat(sse): reconnecting client with Last-Event-ID replay and backoff (#4)

PR: #4

Author: OmarAlJarrah

packages/dexpace-sdk-core/src/dexpace/sdk/core/http/sse/__init__.py

@@ -1,14 +1,17 @@
 # Copyright (c) 2026 dexpace and Omar Aljarrah.
 # Licensed under the MIT License. See LICENSE.md in the repository root for details.
 
-"""WHATWG-spec Server-Sent Events parsing."""
+"""WHATWG-spec Server-Sent Events parsing and reconnecting client."""
 
 from __future__ import annotations
 
+from .connection import AsyncSseConnection, SseConnection
 from .parser import AsyncSseStream, SseEvent, SseParser, parse_async_events, parse_events
 
 __all__ = [
+    "AsyncSseConnection",
     "AsyncSseStream",
+    "SseConnection",
     "SseEvent",
     "SseParser",
     "parse_async_events",