v0.1.0 of arm_tooling

Reusable client-side automated remote monitoring for Flutter web and mobile apps. Changelog excerpt: - Initial public release of arm_tooling. - Added guarded error capture across Flutter, platform, and zone boundaries. - Added Firestore-backed issue and case persistence with fingerprint-based deduplication. - Added optional screenshot uploads through Firebase Storage. - Added breadcrumb capture, contextual state capture, and recovery snapshot support. - Added a publishable example app plus installation and usage documentation.