Add a yamllint file.

.yamllint.yml

@@ -0,0 +1,37 @@
+# SPDX-FileCopyrightText: 2024 Comcast Cable Communications Management, LLC
+# SPDX-License-Identifier: Apache-2.0
+---
+
+extends: default
+
+ignore: []
+
+rules:
+  braces:
+    level: warning
+    max-spaces-inside: 1
+  brackets:
+    level: warning
+    max-spaces-inside: 1
+  colons:
+    level: warning
+    max-spaces-after: -1
+  commas:
+    level: warning
+  comments: disable
+  comments-indentation: disable
+  document-start:
+    present: true
+  empty-lines:
+    max: 2
+  hyphens:
+    max-spaces-after: 1
+  indentation:
+    level: error
+    indent-sequences: consistent
+  line-length:
+    level: warning
+    max: 90
+    allow-non-breakable-words: true
+    allow-non-breakable-inline-mappings: true
+  truthy: disable