[ci] add yaml files linter to pre-commit hook but skip some rules for…

… now (Part 1) (#6763)

Co-authored-by: James Lamb <[email protected]>

.pre-commit-config.yaml

@@ -17,6 +17,11 @@ repos:
     hooks:
       - id: end-of-file-fixer
       - id: trailing-whitespace
+  - repo: https://github.com/adrienverge/yamllint
+    rev: v1.35.1
+    hooks:
+      - id: yamllint
+        args: ["--strict"]
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
     rev: v0.8.3

.yamllint.yml

@@ -0,0 +1,14 @@
+# default config: https://yamllint.readthedocs.io/en/stable/configuration.html#default-configuration
+extends: default
+
+rules:
+  document-start: disable
+  line-length:
+    max: 999  # temporarily increase allowed line length
+  truthy:
+    # prevent treating GitHub Workflow "on" key as boolean value
+    check-keys: false
+
+  # temporarily disabled rules
+  indentation: disable
+  comments-indentation: disable