Add CI/CD automation: linting, formatting checks, and auto-fix workflow#964

AXD-dev01 wants to merge 3 commits intoanthropics:mainanthropics/claude-code-action:mainfrom

AXD-dev01:claude/setup-github-automation-Bi2oAAXD-dev01/claude-code-action-from-AXD-dev01-from-AXD-dev01-from-AXD-dev01-from-AXD-dev01:claude/setup-github-automation-Bi2oACopy head branch name to clipboard