[#14168] docs(ci): add the presubmit SPIP

design-docs/ci/.rumdl.toml

@@ -0,0 +1,64 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+#
+
+# Markdown lint and format settings for the CI design docs.
+# Based on rumdl's own config (github.com/rvben/rumdl/.rumdl.toml).
+# Check:  rumdl check -c design-docs/ci/.rumdl.toml design-docs/ci
+# Format: rumdl fmt   -c design-docs/ci/.rumdl.toml design-docs/ci
+
+[global]
+# Cache in build/ next to this file; build/ is git-ignored, so RAT and jj skip it.
+cache-dir = "build/rumdl_cache"
+# MD041: the Apache license header is an HTML comment before the title.
+disable = ["MD041"]
+
+# Wrap prose at 100 columns; `rumdl fmt` reflows paragraphs.
+[MD013]
+line-length = 100
+code-blocks = true
+tables = false
+headings = true
+reflow = true
+
+# Align table columns; a table wider than 100 columns falls back to compact.
+[MD060]
+enabled = true
+style = "aligned"
+max-width = 100
+
+[MD055]
+style = "leading_and_trailing"
+
+[MD029]
+style = "ordered"
+
+[MD046]
+style = "fenced"
+
+[MD048]
+style = "backtick"
+
+[MD049]
+style = "asterisk"
+
+[MD050]
+style = "asterisk"
+
+[MD051]
+anchor-style = "github"