Add YAMLint YAML

[sethvargo]

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[Copilot]

Pull Request Overview

Adds a yamllint configuration file to enforce consistent YAML formatting and catch common errors

• Introduces .yamllint.yml with a comprehensive set of style rules (indentation, spacing, quoting, etc.)
• Defines directories to ignore (e.g., node_modules/, vendor/, thirdparty/)

Comments suppressed due to low confidence (3)

.yamllint.yml:1

• [nitpick] Consider adding an extends: default at the top to inherit the upstream default rules and only override the ones you need, simplifying maintenance as yamllint evolves.

rules:

.yamllint.yml:1

• [nitpick] Add a brief comment above this line (e.g., # YAML lint configuration for CI and local checks) explaining the file’s purpose and how to run yamllint.

rules:

.yamllint.yml:87

• [nitpick] The ignore list includes both thirdparty/ and third_party/; if your repo only uses one naming style, consider removing the redundant pattern to reduce confusion.

  - 'thirdparty/'