Add file attachments

File attachments

• Add file attachments support
• Send attachments using multipart
• Store attachment paths in CoreData
• Add file reading option .mappedIfSafe

Default attribubutes

• Add default attributes for network and Bluetooth status
• Expose attachment path in public API
• Add default attributes for:
  • guid - unique user identifier
  • error.message
  • hostaname
  • lang.name
  • lang.version
  • NFC
  • location

Handling all exceptions on macOS

• Handle crashes on macOS by BacktraceCrashExceptionApplication

Documentation

• Update documentation
• Update README.md
• Update BacktraceClientConfiguration

Tests

• Add mocks for URLSession
• Add mocks for HTTP responses
• Improve code coverage

Checking the debugger attachment

• Run CrashReporter only when the debugger is detached
• Add reporting policy
• Check if the debugger is attached