Add OpenSSF Baseline compliance files

[mlieberman85]

Summary

This PR adds files and configurations to improve OpenSSF Baseline compliance.

Changes

• CODEOWNERS - Define code ownership for the repository
• MAINTAINERS.md - Document project maintainers (@mlieberman85, @pxp928, @funnelfiasco)
• GOVERNANCE.md - Define project governance model
• SUPPORT.md - Provide support channels and resources
• Bug report template - Standardize issue reporting
• SECURITY.md - Add VEX policy section
• dependabot.yml - Update dependency scanning configuration
• DCO enforcement - Add Developer Certificate of Origin enforcement

Branch Protection

Enabled branch protection on main:

• Require pull requests with 1 approval
• Enforce for admins
• Prevent force push and deletion

Remaining Items

• CHANGELOG.md - May need manual creation
• THREAT_MODEL.md - Generated but minimal (CLI tool with no detected entry points)

🤖 Generated with Claude Code