[VOL-5297] - (dep for) Install pre-commit linting tool

.gitmodules
lf/onf-make
-----------
  o Add repo:onf-make (library makefiles) as a git submodule of the repo.
  o Submodule onf-make replaces legacy makefiles/ copy & paste logic
    with a common set of makefiles used across all voltha repositories.

lf/README.md
lf/include.mk
lf/local/include.mk
-------------------
  o Early config: install makefile loader(s) include.mk.

Change-Id: I4a8a94fc0fba64a7ab2a7192e935ba143e199cef
Signed-off-by: Joey Armstrong <jarmstrong@linuxfoundation.org>
diff --git a/lf/local/include.mk b/lf/local/include.mk
new file mode 100644
index 0000000..a0dedcc
--- /dev/null
+++ b/lf/local/include.mk
@@ -0,0 +1,26 @@
+# -*- makefile -*
+# -----------------------------------------------------------------------
+# Copyright 2017-2024 Open Networking Foundation Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http:#www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# -----------------------------------------------------------------------
+# SPDX-FileCopyrightText: 2017-2024 Open Networking Foundation Contributors
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------
+# Intent: This makefile is the top level source for including
+#         per-repository makefile logic and configs.
+# Import hierarchy:
+#   Makefile      -> lf/include.mk
+#   lf/include.mk -> lf/onf-make/include.mk    # library makefiles
+#   lf/include.mk -> lf/local/include.mk       # per-repo makefiles
+# -----------------------------------------------------------------------