Add yamllint pre-commit hook for YAML file standardization

[vanzan01]

Add yamllint hook to .pre-commit-config.yaml to standardize YAML files across the project. Created .yamllint.yml configuration with relaxed rules to accommodate existing files. Fixed colon spacing in .asf.yaml to pass yamllint checks.

Changes

• Add yamllint hook to .pre-commit-config.yaml
• Create .yamllint.yml configuration with relaxed rules for existing files
• Fix colon spacing in .asf.yaml to pass yamllint checks

Test plan

• [x] yamllint runs successfully on existing YAML files
• [x] Configuration allows existing files to pass with minimal changes
• [x] Fixed formatting issue in .asf.yaml

Closes #10974