Standardize bundle identifiers and bump version

[austin-smith]

What Changed

• Updated the app, widget extension, and test bundle identifiers to the com.crapshack.BitDream namespace.
• Updated the shared App Group and background refresh identifier.
• Updated Developer ID profile mappings and App Group validation in the release workflow.
• Updated widget documentation to match the new identifiers.
• Bumped the app and widget marketing version to 2.0.2.

Why

Standardize BitDream’s Apple identifiers under the conventional reverse-domain namespace and prepare version 2.0.2. This intentionally establishes new application and App Group identities; data associated with the previous identifiers is not migrated.

Validation

• macOS Debug build with code signing disabled
• iOS Debug compile check with code signing disabled
• macOS test suite: 223 tests passed
• SwiftLint
• Property-list and entitlement validation
• Xcode build settings resolve marketing version 2.0.2
• Regenerated Developer ID profiles verified against the new Bundle IDs and App Group

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