access_gate 0.0.1

Hide Flutter widgets behind feature flags, roles, permissions, and attribute-based access policies.

0.0.1

• Initial release with feature flag, RBAC, permission, and ABAC widget gates.
• Added AccessScope, AccessController, AccessPolicy, and AccessContext.
• Added typed key helpers for enum-backed features, roles, permissions, and attributes.
• Added AccessHidden, a zero-render-object fallback for denied gates.