[Refactor] Move auxiliary files out of the repository root (#58572)

Signed-off-by: mgoin <mgoin64@gmail.com>

tools/pre_commit/.markdownlint.yaml

@@ -0,0 +1,14 @@
+MD007:
+  indent: 4
+MD013: false
+MD024:
+  siblings_only: true
+MD025:
+  # Allow front matter title to be different from the first heading in the document.
+  front_matter_title: ""
+MD031:
+  list_items: false
+MD033: false
+MD046: false
+MD052: false
+MD059: false

tools/pre_commit/.shellcheckrc

@@ -0,0 +1,9 @@
+# rules currently disabled:
+#
+#   SC1091 (info): Not following: <sourced file> was not specified as input (see shellcheck -x)
+#   SC2004 (style): $/${} is unnecessary on arithmetic variables.
+#   SC2129 (style): Consider using { cmd1; cmd2; } >> file instead of individual redirects.
+#   SC2155 (warning): Declare and assign separately to avoid masking return values.
+#   SC2164 (warning): Use 'cd ... || exit' or 'cd ... || return' in case cd fails.
+#
+disable=SC1091,SC2004,SC2129,SC2155,SC2164