Scaffold vendor parser packages for cisco/huawei/h3c/juniper/nokia/ericsson.

Co-authored-by: Cursor <cursoragent@cursor.com>

netx_api/biz_state/parsers/ericsson/__init__.py

@@ -0,0 +1,16 @@
+"""Ericsson IPOS parsers (skeleton).
+
+LLDP profile exists; TextFSM may still be stub — see topology_lldp.STUB_PARSER_KEYS.
+
+Add one module per show command, then register in ``PARSERS``.
+"""
+
+from __future__ import annotations
+
+from typing import Any, Callable
+
+NormalizeFn = Callable[..., list[dict[str, Any]]]
+
+PARSERS: dict[str, NormalizeFn] = {}
+
+__all__ = ["PARSERS"]