Initial commit: Jarvis iOS app

SwiftUI client for a self-hosted RSS news-correlation platform: signal feed,
story detail, article reader, feed manager, and LAN⇄Tailscale connectivity.
Project generated from project.yml via XcodeGen.

Includes CI build matrix (macOS 14/15 × Debug/Release), issue templates,
backlog, and API/backend handoff docs.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

.github/pull_request_template.md

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+## Summary
+
+## Changes
+-
+
+## Testing
+- [ ] `xcodegen generate && xcodebuild ... build` passes
+- [ ] Verified on simulator against a live/mock backend
+
+## Related issues
+Closes #