fix: add back the __init__.py in mcp_server_tim

src/time/src/mcp_server_time/__init__.py

@@ -0,0 +1,19 @@
+from .server import serve
+
+
+def main():
+    """MCP Time Server - Time and timezone conversion functionality for MCP"""
+    import argparse
+    import asyncio
+
+    parser = argparse.ArgumentParser(
+        description="give a model the ability to handle time queries and timezone conversions"
+    )
+    parser.add_argument("--local-timezone", type=str, help="Override local timezone")
+
+    args = parser.parse_args()
+    asyncio.run(serve(args.local_timezone))
+
+
+if __name__ == "__main__":
+    main()