Changelog
- Move changelog rules to bzl/rules/git, improve ansible rules (c94123)
- Move changelog rules to bzl/rules/changelog (4d59d6)
- Move readme rules to bzl/rules/readme (95ea8d)
- Move bzl rules to bzl/rules/bzl (57930e)
- Move template_files rules to bzl/rules/template_files (72daa0)